1)4(3a+1.6)-(5+2a)-3(a-12) 2)-1.5(6-x)-2(-x-3)+0,9(5x-1)...

Question

1)4(3a+1.6)-(5+2a)-3(a-12)
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) 12a+6,4-5-2a-3a+36=7a+24,6
2)-9+1,5x+2x+6+4,5x-0,9=-3,9+8x
3)1,6y-2,4+8-2,5y-1,6y+3,4=-2,5y+9

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