(y-40+60)÷3=140×3СРОЧНО

Question

(y-40+60)÷3=140×3СРОЧНО

Answer 1

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Comments

y*40+60=140*3y*40+60=420y*40=420-60y*40=360y=360:40y=9

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1-420

Answer 2

140•3=420
y-40+60=420•3
y-40+60=1260
y-40=1260-60
y-40=1200
y=1200+40
y=1240