5-2a=15-7a

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Solution for 5-2a=15-7a equation:


Simplifying
5 + -2a = 15 + -7a

Solving
5 + -2a = 15 + -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.
5 + -2a + 7a = 15 + -7a + 7a

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

Combine like terms: -7a + 7a = 0
5 + 5a = 15 + 0
5 + 5a = 15

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

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

Combine like terms: 15 + -5 = 10
5a = 10

Divide each side by '5'.
a = 2

Simplifying
a = 2

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