Question

X+7=9 solve and check answer

Answer 1

Answer:

2

Step-by-step explanation:

x+7=9

x=9-7

x=2

verification

x+7=9

substitute x=2

2+7=9

9=9

Answer 2

Answer:

Step-by-step explanation:

X+7=9

X=9-7=2

Verify

Put X=2

2+7=9

LHS =RHS