7a+8=8a-2

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


Simplifying
7a + 8 = 8a + -2

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

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

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

Combine like terms: 7a + -8a = -1a
8 + -1a = -2 + 8a + -8a

Combine like terms: 8a + -8a = 0
8 + -1a = -2 + 0
8 + -1a = -2

Add '-8' to each side of the equation.
8 + -8 + -1a = -2 + -8

Combine like terms: 8 + -8 = 0
0 + -1a = -2 + -8
-1a = -2 + -8

Combine like terms: -2 + -8 = -10
-1a = -10

Divide each side by '-1'.
a = 10

Simplifying
a = 10

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