Question

A)10x + 3 -1 = -5x + 1
B) 12- 5x = 3x +4
C)4x + 2 = 45
D)3a + 5 = - 2a + 8
E)8x +6 = - 4x + 2
F)5x +3x = x + 12 + 3
G)5x + 2x = - 40 + - 3x

Answer 1

Resposta:

G) 5x+2x=-40+-3x

5x+2x+3x=40

7x+3x=40

10x=40

x=40\10

a) 10x+3-1=-5x+1

10x+5x=-3+-1\1

15x=-4\1

x=-8\-2

x=4

x= 4