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Katarina [22]
3 years ago
11

Simplify -2x+7=15, i need help understanding why it is -4

Mathematics
1 answer:
yulyashka [42]3 years ago
3 0

Answer:

-4

Step-by-step explanation:

Step 1: Subtract 7 from both sides.

−2x+7−7=15−7

−2x=8

Step 2: Divide both sides by -2.

−2x

−2

=

8

−2

x=−4

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