Question

solve the following equations:
a + 7 = 5
__.
4. ​

Answer 1

Equation is => a + 4 = 7

solution is => a = 7 - 4 (transportation method)

so, the value of a is 3

:)

Answer 2

Answer:

4

q

+7=5⇒

4

q

=5−7⇒

5

q

=−2

⇒q=−2×4⇒q=−8