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What is the answer to the equation 5+2(x-1)=12
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What is the answer to the equation 5+2(x-1)=12
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Jan 26, 2017
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What is the answer to the equation 5+2(x-1)=12
Mathematics
middle-school
Meetri
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5+2(x-1)= 12
So you need to get rid of parentheses, which is that you have to distribute.
5+2x-2= 12
-5 -5 (Inverse)
2x-2= 7
+2 +2 (Another inverse)
2x
=
9
2 2 (Divide)
x= 4.5
----------------------
Check
5+2(4.5-1)=12
5+2(3.5)=12
5+7=12
12=12
Mahdi Jokar
answered
Jan 29, 2017
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Mahdi Jokar
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4
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So, the answer to this problem is
x = 9/2
or
x = 4.5
.
Nobik
answered
Feb 1, 2017
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Nobik
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