Question

Ajuda gnt

A) 5x+15=10
B) 4x-40=60
C) 7x+17=16
D) 3x-49= -100
E) 3X+17=11
F) 6x-18=-6

Answer 1

a) 5x + 15 = 10
5x = 10 - 15
5x = - 5
x = - 5/5
x = - 1

b) 4x - 40 = 60
4x = 60 + 40
4x = 100
x = 100/4
x = 25

c) 7x + 17 = 16
7x = 16 - 17
7x = - 1
x = - 1/7

d) 3x - 49 = - 100
3x = - 100 + 49
3x = - 51
x = - 51/3
x = - 17

e) 3x + 17 = 11
3x = 11 - 17
3x = - 6
x = - 6/3
x = - 2

f) 6x - 18 = - 6
6x = - 6 + 18
6x = +12
x = 12/6
x = 2