Question

Resolvam essas equações pfvr

a) x+4 = -x+8
b) -2x+5 = -11
c) x+6 = -18

Answer 1

A- x+4=-x+8

x+x=-4+8

2x=4

x=4÷2

x=2

B-

-2x=-11-5

-2x=-16

x=-16÷-2

x=8

C-

x=-18-6

x=-24