Question

Resolvable as equacoes:
A)11x+7=-6
B)3x+1=19
C)2x-3=17
D)1+2x=8-5x

Answer 1

A)
11x + 7 = - 6
11x = - 6 - 7
11x = - 13
x = - 13/11

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B)
3x + 1 = 19
3x = 19 - 1
3x = 18
x = 18/3
x = 6

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C)
2x - 3 = 17
2x = 17 + 3
2x = 20
x = 20/2
x = 10

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D)
1 + 2x = 8 - 5x
2x + 5x = 8 - 1
7x = 7
x = 7/7
x = 1

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