51+83+7a-3=180

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Solution for 51+83+7a-3=180 equation:


Simplifying
51 + 83 + 7a + -3 = 180

Reorder the terms:
51 + 83 + -3 + 7a = 180

Combine like terms: 51 + 83 = 134
134 + -3 + 7a = 180

Combine like terms: 134 + -3 = 131
131 + 7a = 180

Solving
131 + 7a = 180

Solving for variable 'a'.

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

Add '-131' to each side of the equation.
131 + -131 + 7a = 180 + -131

Combine like terms: 131 + -131 = 0
0 + 7a = 180 + -131
7a = 180 + -131

Combine like terms: 180 + -131 = 49
7a = 49

Divide each side by '7'.
a = 7

Simplifying
a = 7

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