(X-40)+(x-20)+(1/2x-10)=180 find x
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Answered by
1
Answer:
100
Step-by-step explanation:
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Answered by
2
Answer:
first step
Calculate the addition
x-40+x-20+x/2-10=180
=5x-140=360
5x=360+140
x=500/5
x=100
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