Question

3) O valor da equação 4x + 5 = 6x é*
a-) 2/5
b-) 5/2
c-) 3/5
d-) 5/3​

Answer 1

$4x+5=6x\\4x+5-5=6x-5\\4x=6x-5\\4x-6x=6x-5-6x\\-2x=-5\\\frac{-2x}{-2}=\frac{-5}{-2}\\x=\frac{5}{2}$

• b) 5/2