8a-7=5a-4

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


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

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

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

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

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

Combine like terms: 5a + -5a = 0
-7 + 3a = -4 + 0
-7 + 3a = -4

Add '7' to each side of the equation.
-7 + 7 + 3a = -4 + 7

Combine like terms: -7 + 7 = 0
0 + 3a = -4 + 7
3a = -4 + 7

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

Divide each side by '3'.
a = 1

Simplifying
a = 1

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