10b-7a+(-b)+10a-9b+5=

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Solution for 10b-7a+(-b)+10a-9b+5= equation:


Simplifying
10b + -7a + (-1b) + 10a + -9b + 5 = 0

Reorder the terms:
5 + -7a + 10a + 10b + (-1b) + -9b = 0

Combine like terms: -7a + 10a = 3a
5 + 3a + 10b + (-1b) + -9b = 0

Combine like terms: 10b + (-1b) = 9b
5 + 3a + 9b + -9b = 0

Combine like terms: 9b + -9b = 0
5 + 3a + 0 = 0
5 + 3a = 0

Solving
5 + 3a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 3a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3a = 0 + -5
3a = 0 + -5

Combine like terms: 0 + -5 = -5
3a = -5

Divide each side by '3'.
a = -1.666666667

Simplifying
a = -1.666666667

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