7(Х-5)=63 24(Х+15)=432 14(3Х-15)=252 8(112-5Х)=816

Question

7(Х-5)=63 24(Х+15)=432 14(3Х-15)=252 8(112-5Х)=816

Answer 1

7(x-5)=63
7x-35=63
7x=63+35=98
x=14
24(x+15)=432
24x+360=432
24x=432-360=72
x=3

14(3x-15)=252
42x-210=252
42x= 252+210=462
x=11