2a+5a-13=50

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Solution for 2a+5a-13=50 equation:


Simplifying
2a + 5a + -13 = 50

Reorder the terms:
-13 + 2a + 5a = 50

Combine like terms: 2a + 5a = 7a
-13 + 7a = 50

Solving
-13 + 7a = 50

Solving for variable 'a'.

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

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

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

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

Divide each side by '7'.
a = 9

Simplifying
a = 9

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