Question

A)4x-5=-29
B)7x+12=4x-15
C)2x+18=-12-x

Answer 1

a) 4x-5=-29
4x=-29+5
4x=-24
x=-24
-------
4
x=-6

b) 7x+12=4x-15
7x-4x=-15-12
3x=-27
x=-27
-----------
3
x=-9
c)2x+18=-12-x
2x+x=-12-18
3x=-30
x=-30
----------
3
x=-10
acho que é!!