Question

7(х+6)=49 3(2х-9)=27 2(2х+3х)=20

Answer 1

7 (×+6)=49
×+6=49÷7
×+6=7
×=7-6
×=1

3 (2×-9)=27
2×-9=27÷3
2×-9=9
×=(9+9)÷2
×=9


2 (2×+3×)=20
2×+3×=20÷2
5×=10
×=10÷5
×=2