-5a-7+3a=7a+2

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Solution for -5a-7+3a=7a+2 equation:


Simplifying
-5a + -7 + 3a = 7a + 2

Reorder the terms:
-7 + -5a + 3a = 7a + 2

Combine like terms: -5a + 3a = -2a
-7 + -2a = 7a + 2

Reorder the terms:
-7 + -2a = 2 + 7a

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

Combine like terms: -2a + -7a = -9a
-7 + -9a = 2 + 7a + -7a

Combine like terms: 7a + -7a = 0
-7 + -9a = 2 + 0
-7 + -9a = 2

Add '7' to each side of the equation.
-7 + 7 + -9a = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -9a = 2 + 7
-9a = 2 + 7

Combine like terms: 2 + 7 = 9
-9a = 9

Divide each side by '-9'.
a = -1

Simplifying
a = -1

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