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What is the answer to the question 2+2+x-7=21?
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What is the answer to the question 2+2+x-7=21?

User Hussien Fahmy
by
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2 Answers

3 votes

combine like terms

2+2-7=-3

X-3= 21

+3 +3

X=24

User Hamfri
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Lets get started :)

2 + 2 + x - 7 = 21
11 + x = 21

We have to subtract 11 on both sides to isolate x

11 ( - 11 ) + x = 21 ( - 11 )
11 and 11 cancels out

x = 10
User Ihsan
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8.4k points
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