Упростите выражения 1.28x+14-40+24x 2.-48x+30+28-7x

Question

Упростите выражения
1.28x+14-40+24x
2.-48x+30+28-7x

Answer 1

1. 28x+14-40+24x =28x+24x+14-40=52x-26
2. -48x+30+28-7x=-48x-7x+30+28=-55x+58

Answer 2

1.       28x+14-40+24x=(28x+24x)+(14-40)=52x-26

2.    -48x+30+28-7x=(-48x-7x)+(30+28)=-55x+58