-8a-13=-4a+7

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Solution for -8a-13=-4a+7 equation:


Simplifying
-8a + -13 = -4a + 7

Reorder the terms:
-13 + -8a = -4a + 7

Reorder the terms:
-13 + -8a = 7 + -4a

Solving
-13 + -8a = 7 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
-13 + -8a + 4a = 7 + -4a + 4a

Combine like terms: -8a + 4a = -4a
-13 + -4a = 7 + -4a + 4a

Combine like terms: -4a + 4a = 0
-13 + -4a = 7 + 0
-13 + -4a = 7

Add '13' to each side of the equation.
-13 + 13 + -4a = 7 + 13

Combine like terms: -13 + 13 = 0
0 + -4a = 7 + 13
-4a = 7 + 13

Combine like terms: 7 + 13 = 20
-4a = 20

Divide each side by '-4'.
a = -5

Simplifying
a = -5

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