8a-7=5a-4+7

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


Simplifying
8a + -7 = 5a + -4 + 7

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

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

Combine like terms: -4 + 7 = 3
-7 + 8a = 3 + 5a

Solving
-7 + 8a = 3 + 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.
-7 + 8a + -5a = 3 + 5a + -5a

Combine like terms: 8a + -5a = 3a
-7 + 3a = 3 + 5a + -5a

Combine like terms: 5a + -5a = 0
-7 + 3a = 3 + 0
-7 + 3a = 3

Add '7' to each side of the equation.
-7 + 7 + 3a = 3 + 7

Combine like terms: -7 + 7 = 0
0 + 3a = 3 + 7
3a = 3 + 7

Combine like terms: 3 + 7 = 10
3a = 10

Divide each side by '3'.
a = 3.333333333

Simplifying
a = 3.333333333

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