-7-7a=3(-5a-5)

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Solution for -7-7a=3(-5a-5) equation:


Simplifying
-7 + -7a = 3(-5a + -5)

Reorder the terms:
-7 + -7a = 3(-5 + -5a)
-7 + -7a = (-5 * 3 + -5a * 3)
-7 + -7a = (-15 + -15a)

Solving
-7 + -7a = -15 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
-7 + -7a + 15a = -15 + -15a + 15a

Combine like terms: -7a + 15a = 8a
-7 + 8a = -15 + -15a + 15a

Combine like terms: -15a + 15a = 0
-7 + 8a = -15 + 0
-7 + 8a = -15

Add '7' to each side of the equation.
-7 + 7 + 8a = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 8a = -15 + 7
8a = -15 + 7

Combine like terms: -15 + 7 = -8
8a = -8

Divide each side by '8'.
a = -1

Simplifying
a = -1

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