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wel
3 years ago
13

Is x = -7, the solution to -11 + 2x = -26? Justify your answer in complete sentences.

Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0
First of all, you can move the +2x to the other side:
-11 = -26 - 2x

Then you can move the -26 to the other side and then simplify:
-11+26 = -2x
 15 = -2x

Then you can divide both sides by 2:
7.5 = -x

Then you can flip the sides and the signs around:
x = -7.5

No, The answer is not -7, it is -7.5
Hope this helps! :)
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