Question

X-3=40
Mim ajudar a resolver essa equação pfv??
E essa -2x+3(x-4)=0

Answer 1

x-3=40

x=40+3

x=43

-2x+3(4-x)=0

-2x+12-3x=0

-2x-3x=-12

-5x=-12(-1)

5x=12

x=12/5