А) 4х-( 7х-2)=17 б) 5х+3=7х-5(2х+1)

Question

А) 4х-( 7х-2)=17
б) 5х+3=7х-5(2х+1)

Answer 1

4х-7х+2=17
5х+2=17
5х=15
Х=3

5х+3=7х-10х-5
5х+3=-3х-5
8х=-8
Х=-1

Answer 2

X=77643-53
x=6663
X=54257-43