Question

((5×+178)×15+90)÷45=63 ((8×+24)÷5)÷4+6=10 23×112-(100+2×)÷4=104×23​

Answer 1

((5х+178)*15+90)÷45=63

(5х + 178)*15+90=63*45

(5х+178)*15+90=2835

(5х+178)*15=2835-90

(5х+178)*15=2745

5х+178=2745÷15

5х+178=183

5х=183-178

5х=5

х=5÷5

х=1