Question

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Resolva as equações:

a) 8${x}$ + 12 = 36

b) 9${x}$ + 3 = 6

c) 5${x}$ + 4 = 3${x}$ - 2x + 4

d) 15${x}$ - 5 = 10(${x}$ + 1)

e) 7(${x}$ - 2) = 5(${x}$ + 3)
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Answer 1

Olá Fusion;
 a) 8x+12=36
8x=36-12
8x=24
x=3
 b)9x+3=6
9x=3
x=3/9
 c)5x+4=3x-2x+4
+4-4==x-5x
0=-4x
 d)15x-5 = 10x+10
15x-10x=10+5
5x=15
x=3
 e)7x-14=5x+15
7x-5x=15+14
2x=29
x=29/2