Answer:
2
Step-by-step explanation:
4*7 = 28
28-30
x=2
x = 2
Given
4 x 7 = 30 - x
First solve the left side . When you multiply, we have
28 = 30 - x
Combine like term. When -x crosses over equality sign , it becomes positive x , and 28 becomes -28
So ,
x = 30 - 28
