-7+9a+10(6+8a)=

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Solution for -7+9a+10(6+8a)= equation:


Simplifying
-7 + 9a + 10(6 + 8a) = 0
-7 + 9a + (6 * 10 + 8a * 10) = 0
-7 + 9a + (60 + 80a) = 0

Reorder the terms:
-7 + 60 + 9a + 80a = 0

Combine like terms: -7 + 60 = 53
53 + 9a + 80a = 0

Combine like terms: 9a + 80a = 89a
53 + 89a = 0

Solving
53 + 89a = 0

Solving for variable 'a'.

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

Add '-53' to each side of the equation.
53 + -53 + 89a = 0 + -53

Combine like terms: 53 + -53 = 0
0 + 89a = 0 + -53
89a = 0 + -53

Combine like terms: 0 + -53 = -53
89a = -53

Divide each side by '89'.
a = -0.595505618

Simplifying
a = -0.595505618

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