Question

Encontre o valor de x nas seguintes equações:

a) 5x + 7 = 2x + 4


b) 5x - 3 = 2x + 6


Ajudaaa

Answer 1

)5x+7=2x+4

)5x+7=2x+45x−2x=4−7

)5x+7=2x+45x−2x=4−73x=−3

)5x+7=2x+45x−2x=4−73x=−3x=

)5x+7=2x+45x−2x=4−73x=−3x= 3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered}

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+6

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x=

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39 x=3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39 x=3

)5x+7=2x+45x−2x=4−73x=−3x= 3−3 x=−1 \begin{gathered}b)5x - 3 = 2x + 6 \\ 5x - 2x = 6 + 3 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3\end{gathered} b)5x−3=2x+65x−2x=6+33x=9x= 39 x=3