7a-15=15+5a

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Solution for 7a-15=15+5a equation:


Simplifying
7a + -15 = 15 + 5a

Reorder the terms:
-15 + 7a = 15 + 5a

Solving
-15 + 7a = 15 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-15 + 7a + -5a = 15 + 5a + -5a

Combine like terms: 7a + -5a = 2a
-15 + 2a = 15 + 5a + -5a

Combine like terms: 5a + -5a = 0
-15 + 2a = 15 + 0
-15 + 2a = 15

Add '15' to each side of the equation.
-15 + 15 + 2a = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 2a = 15 + 15
2a = 15 + 15

Combine like terms: 15 + 15 = 30
2a = 30

Divide each side by '2'.
a = 15

Simplifying
a = 15

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