7a-31=74

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Solution for 7a-31=74 equation:


Simplifying
7a + -31 = 74

Reorder the terms:
-31 + 7a = 74

Solving
-31 + 7a = 74

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '31' to each side of the equation.
-31 + 31 + 7a = 74 + 31

Combine like terms: -31 + 31 = 0
0 + 7a = 74 + 31
7a = 74 + 31

Combine like terms: 74 + 31 = 105
7a = 105

Divide each side by '7'.
a = 15

Simplifying
a = 15

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