10a-7=72

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Solution for 10a-7=72 equation: 


Simplifying
10a + -7 = 72

Reorder the terms:
-7 + 10a = 72

Solving
-7 + 10a = 72

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 10a = 72 + 7

Combine like terms: -7 + 7 = 0
0 + 10a = 72 + 7
10a = 72 + 7

Combine like terms: 72 + 7 = 79
10a = 79

Divide each side by '10'.
a = 7.9

Simplifying
a = 7.9

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