Question

a)×÷8-4=60 c)42÷7-×=2 d) (9-×)÷5=1 e)9+×-4=86 f) (15-×)÷1=10

Answer 1

a) x÷8-4=60
x÷8=60+4
x÷8=64
x=8*64
x=512
c)42÷7-x=2
6-x=2
x=6-2
x=4
d)(9-x):5=1
9-x=5
x=9-5
x=4
e) 9+x-4=86
9+x=90
x=90-9
x=81
f)(15-x)÷1=10
15-x=10
x=15-10
x=5