5a+4=7a+8

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


Simplifying
5a + 4 = 7a + 8

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

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

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

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

Combine like terms: 7a + -7a = 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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