Question

1) Resolva as equações:
a)3 x +7 = 2x-10
b) x-1 =10+6
c) 5x +1 =2x +7
d) 2x + 5 = 80-3x
e)5x-15 = 3 -
f/6 x +5 = -20 +x
g) 12 +3 = 20 -
h) 3x - 18 = 2x
1) 4x+6 = 14 -6x
i)2 x +16 -- 2x​

Answer 1

Resposta:

a) 3x +7=2x-10

3x-2x=-10-7

1x=-17

x=-17

_

1

x=-17

b) x-1=10+6

x=10+6+1

x=17

c) 5x+1=2x+7

5x-2x=7-1

3x=6

x=6

_

3

x=2