5-7a=10-2a

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Solution for 5-7a=10-2a equation:


Simplifying
5 + -7a = 10 + -2a

Solving
5 + -7a = 10 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
5 + -7a + 2a = 10 + -2a + 2a

Combine like terms: -7a + 2a = -5a
5 + -5a = 10 + -2a + 2a

Combine like terms: -2a + 2a = 0
5 + -5a = 10 + 0
5 + -5a = 10

Add '-5' to each side of the equation.
5 + -5 + -5a = 10 + -5

Combine like terms: 5 + -5 = 0
0 + -5a = 10 + -5
-5a = 10 + -5

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

Divide each side by '-5'.
a = -1

Simplifying
a = -1

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