X+515÷5=431 a×5=53000+1135 X-578=5576÷68

Question

X+515÷5=431 a×5=53000+1135 X-578=5576÷68

Answer 1

X+515:5=431
x+103=431
x=431-103
x=328

a*5=53000
a=53000:5
a=10600

x-578=5576:68
x-578=82
x=82+578
x=660