4a-7=8a+5

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


Simplifying
4a + -7 = 8a + 5

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

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

Solving
-7 + 4a = 5 + 8a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-8a' to each side of the equation.
-7 + 4a + -8a = 5 + 8a + -8a

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

Combine like terms: 8a + -8a = 0
-7 + -4a = 5 + 0
-7 + -4a = 5

Add '7' to each side of the equation.
-7 + 7 + -4a = 5 + 7

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

Combine like terms: 5 + 7 = 12
-4a = 12

Divide each side by '-4'.
a = -3

Simplifying
a = -3

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