Question

Equação

2.x=x+3
10.y_8=9.y
3.w_1=5
​

Answer 1

Espero ter ajudado.

A

$2x=x+3\\\\2x-x=x+3-x\\\\x=3$

B

$10y-8=9y\\\\10y-8+8=9y+8\\\\10y=9y+8\\\\10y-9y=9y+8-9y\\\\y=9$

C

$3w-1=5\\\\3w-1+1=5+1\\\\3w=6\\\\\frac{3w}{3}=\frac{6}{3}\\\\w=2$