7a+4=5a+8

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Solution for 7a+4=5a+8 equation:


Simplifying
7a + 4 = 5a + 8

Reorder the terms:
4 + 7a = 5a + 8

Reorder the terms:
4 + 7a = 8 + 5a

Solving
4 + 7a = 8 + 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.
4 + 7a + -5a = 8 + 5a + -5a

Combine like terms: 7a + -5a = 2a
4 + 2a = 8 + 5a + -5a

Combine like terms: 5a + -5a = 0
4 + 2a = 8 + 0
4 + 2a = 8

Add '-4' to each side of the equation.
4 + -4 + 2a = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 8 + -4
2a = 8 + -4

Combine like terms: 8 + -4 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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