Question

resolva as questões abaixo : ​

Answer 1

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$\tt{a)}~\sf{x+3=10}\\\sf{x=10-3}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{x=7}}}}}\\\tt{b)}~\sf{2y-4=2}\\\sf{2y=4+2}\\\sf{2y=6}\\\sf{y=\dfrac{6}{2}}\\\huge\boxed{\boxed{\boxed{\boxed{\boxed{\sf{y=3}}}}}}\\\tt{c)}~\sf{2x+1=5}\\\sf{2x=5-1}\\\sf{2x=4}\\\sf{x=\dfrac{4}{2}}\\\huge\boxed{\boxed{\boxed{\boxed{\boxed{\sf{x=2}}}}}}$

Answer 2

Resposta:

a) x = 7

b) y = 3

c) x = 2

Explicação passo-a-passo:

a) x + 3 = 10

x = 10 - 3

x = 7

b) 2y - 4 = 2

2y = 2 + 4

2y = 6

y = $\frac{6}{2}$

y = 3

c) 2x + 1 = 5

2x = 5 - 1

2x = 4

x = $\frac{4}{2}$

x = 2