Question

resolva as equações
b) 4x-10=2x + 2
c) 2x + 1 = 4x - 7
d) 7 (x-1) -2 (x-5) = x - 5
e) 2x -15 = -5
f) 3x - 5= 19 + 5x

Urgente
Me respondam por favor

Answer 1

b) 4x -2x = +10 +2
2x = +12
x = +12/+2
x = + 6

c) 2x -4x = -1 -7
-2x = -8
x = -8/-2
x = + 4

d) 7x -7 -2x +10 = x - 5
7x -2x -x = -5 +7 -10
4x = -8
x = -8/+4
x = - 2

e) 2x = +15 -5
2x = +10
x = +10/+2
x = +5

f) 3x -5x = +19 +5
-2x = +24
x = +24/-2
x = - 12