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PLEASE HELP IM DESPERATE
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PLEASE HELP IM DESPERATE

PLEASE HELP IM DESPERATE-example-1
User Prasannjit
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1 Answer

3 votes

Answer:

20

Explanation:

You can write the equation x+(3x+1)+(x-11)=90 and then isolate x

x+(3x+1)+(x-11)=90

5x-10=90 (combine like terms)

5x-10+10=90+10 (add 10, addition property of equality)

5x=100

5x/5=100/5 (divide by five, division property of equality)

x=20

User BlackGaff
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