7a+8=5a-2

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Solution for 7a+8=5a-2 equation:


Simplifying
7a + 8 = 5a + -2

Reorder the terms:
8 + 7a = 5a + -2

Reorder the terms:
8 + 7a = -2 + 5a

Solving
8 + 7a = -2 + 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.
8 + 7a + -5a = -2 + 5a + -5a

Combine like terms: 7a + -5a = 2a
8 + 2a = -2 + 5a + -5a

Combine like terms: 5a + -5a = 0
8 + 2a = -2 + 0
8 + 2a = -2

Add '-8' to each side of the equation.
8 + -8 + 2a = -2 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = -2 + -8
2a = -2 + -8

Combine like terms: -2 + -8 = -10
2a = -10

Divide each side by '2'.
a = -5

Simplifying
a = -5

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