15(a-8)=-7-8

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Solution for 15(a-8)=-7-8 equation: 


Simplifying
15(a + -8) = -7 + -8

Reorder the terms:
15(-8 + a) = -7 + -8
(-8 * 15 + a * 15) = -7 + -8
(-120 + 15a) = -7 + -8

Combine like terms: -7 + -8 = -15
-120 + 15a = -15

Solving
-120 + 15a = -15

Solving for variable 'a'.

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

Add '120' to each side of the equation.
-120 + 120 + 15a = -15 + 120

Combine like terms: -120 + 120 = 0
0 + 15a = -15 + 120
15a = -15 + 120

Combine like terms: -15 + 120 = 105
15a = 105

Divide each side by '15'.
a = 7

Simplifying
a = 7

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