5-7a=5(a-5)+3a

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Solution for 5-7a=5(a-5)+3a equation:


Simplifying
5 + -7a = 5(a + -5) + 3a

Reorder the terms:
5 + -7a = 5(-5 + a) + 3a
5 + -7a = (-5 * 5 + a * 5) + 3a
5 + -7a = (-25 + 5a) + 3a

Combine like terms: 5a + 3a = 8a
5 + -7a = -25 + 8a

Solving
5 + -7a = -25 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
5 + -7a + -8a = -25 + 8a + -8a

Combine like terms: -7a + -8a = -15a
5 + -15a = -25 + 8a + -8a

Combine like terms: 8a + -8a = 0
5 + -15a = -25 + 0
5 + -15a = -25

Add '-5' to each side of the equation.
5 + -5 + -15a = -25 + -5

Combine like terms: 5 + -5 = 0
0 + -15a = -25 + -5
-15a = -25 + -5

Combine like terms: -25 + -5 = -30
-15a = -30

Divide each side by '-15'.
a = 2

Simplifying
a = 2

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