Question

Resolva as inequaçaoes

A)7x-2 = -4x+5

B)5x-3 = 2x+9

C) 4x+3 = -2x+15

D)7x+4 = 2x-14

Answer 1

A) 7x+4x = 5+2
11x = 7
x = 7
----
11

B) 5x - 2x = 9+3
3x = 12
x = 4

C) 4x + 2x = 15-3
6x = 12
x = 2

D) 7x - 2x = -14 - 4
5x = -18
x = -18
------
5