Question

Упростите выражение
1) 4(3a+1.6)-(5+2a)-3(a-1.2)
2) -1.5(6-x)-2(-x-3)+0.9(5x-1)
3)0.8(2y-3)+5(1.6-0.5y)-2(0.8y-1.7)

Answer 1

1) 12а+6.4-5-2а-3а+3.6=7а+5
2) -9+1.5х+2х+6+4.5х-0.9=8х-3.9
3) 1.6у-2.4+9-2.5у-1.6у+3.4=-2.5у+10

Answer 2

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