-89=7(2a-5)-5a

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Solution for -89=7(2a-5)-5a equation:


Simplifying
-89 = 7(2a + -5) + -5a

Reorder the terms:
-89 = 7(-5 + 2a) + -5a
-89 = (-5 * 7 + 2a * 7) + -5a
-89 = (-35 + 14a) + -5a

Combine like terms: 14a + -5a = 9a
-89 = -35 + 9a

Solving
-89 = -35 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-89 + -9a = -35 + 9a + -9a

Combine like terms: 9a + -9a = 0
-89 + -9a = -35 + 0
-89 + -9a = -35

Add '89' to each side of the equation.
-89 + 89 + -9a = -35 + 89

Combine like terms: -89 + 89 = 0
0 + -9a = -35 + 89
-9a = -35 + 89

Combine like terms: -35 + 89 = 54
-9a = 54

Divide each side by '-9'.
a = -6

Simplifying
a = -6

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