50=-13+7a

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Solution for 50=-13+7a equation:


Simplifying
50 = -13 + 7a

Solving
50 = -13 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
50 + -7a = -13 + 7a + -7a

Combine like terms: 7a + -7a = 0
50 + -7a = -13 + 0
50 + -7a = -13

Add '-50' to each side of the equation.
50 + -50 + -7a = -13 + -50

Combine like terms: 50 + -50 = 0
0 + -7a = -13 + -50
-7a = -13 + -50

Combine like terms: -13 + -50 = -63
-7a = -63

Divide each side by '-7'.
a = 9

Simplifying
a = 9

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