Resolva as equações:
A) 2X + 6 =3X - 26
B)9X + 20 = 11 + 8X + 9
C)-3X -6 = X + 84
D)15Y +100 = 10Y - 15
E)-25x - 40 = -13x + 20
F)2x + 5 = 27
G)4x -8 =2x + 6
Soluções para a tarefa
Resposta:
A) x = 32
B) x = 0
C) x = 22,5
D) y = -23
E) x = -5
F) x = 11
G) x = 7
Explicação passo-a-passo:
A)
2x + 6 = 3x - 26
x = 32
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B)
9x + 20 = 11 + 8x + 9
x = 0
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C)
-3x -6 = x + 84
4x = 90
x = 90/4
x = 22,5
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D)
15y + 100 = 10y - 15
5y = -115
y = -115/5
y = -23
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E)
-25x -40 = -13x + 20
12x = -60
x = -60/12
x = -5
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F)
2x + 5 = 27
2x = 22
x = 22/2
x = 11
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G)
4x - 8 = 2x + 6
2x = 14
x = 14/2
x = 7
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