7a-15=5a+5

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


Simplifying
7a + -15 = 5a + 5

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

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

Solving
-15 + 7a = 5 + 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 = 5 + 5a + -5a

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

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

Add '15' to each side of the equation.
-15 + 15 + 2a = 5 + 15

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

Combine like terms: 5 + 15 = 20
2a = 20

Divide each side by '2'.
a = 10

Simplifying
a = 10

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