-8a-7(a+2)=-89

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Solution for -8a-7(a+2)=-89 equation:


Simplifying
-8a + -7(a + 2) = -89

Reorder the terms:
-8a + -7(2 + a) = -89
-8a + (2 * -7 + a * -7) = -89
-8a + (-14 + -7a) = -89

Reorder the terms:
-14 + -8a + -7a = -89

Combine like terms: -8a + -7a = -15a
-14 + -15a = -89

Solving
-14 + -15a = -89

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + -15a = -89 + 14

Combine like terms: -14 + 14 = 0
0 + -15a = -89 + 14
-15a = -89 + 14

Combine like terms: -89 + 14 = -75
-15a = -75

Divide each side by '-15'.
a = 5

Simplifying
a = 5

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