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Which of these equations has the solution x = 5? A. x + 7 = 3(x - 1) B. 12 - x = x + 4 C. 2(x + 1) = 3(x - 8) D. 2(x - 4) = 7x - 1
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Jul 20, 2022
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Which of these equations has the solution x = 5?
A. x + 7 = 3(x - 1)
B. 12 - x = x + 4
C. 2(x + 1) = 3(x - 8)
D. 2(x - 4) = 7x - 1
Mathematics
middle-school
Neale
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5
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Answer is A
3(x-1)=3x-3
X+7=3x-3
-x both sides
+3 both sides
10=2x
Divide by 2
X=5
MyOwnWay
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Jul 21, 2022
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MyOwnWay
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13
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The answer is A
X+7 = 3(x-1)
X+7 = 3x-3
-x on both sides
+3 on both sides
10 = 2x
Divide by 2
X=5
Yulong
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Jul 25, 2022
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Yulong
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