5a+8=7a

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Solution for 5a+8=7a equation:


Simplifying
5a + 8 = 7a

Reorder the terms:
8 + 5a = 7a

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

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

Combine like terms: 7a + -7a = 0
8 + -2a = 0

Add '-8' to each side of the equation.
8 + -8 + -2a = 0 + -8

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

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

Divide each side by '-2'.
a = 4

Simplifying
a = 4

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