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

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


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

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

Combine like terms: -7 + 5 = -2
-2 + 10a + 10b + (-1b) + -9b = 0

Combine like terms: 10b + (-1b) = 9b
-2 + 10a + 9b + -9b = 0

Combine like terms: 9b + -9b = 0
-2 + 10a + 0 = 0
-2 + 10a = 0

Solving
-2 + 10a = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 10a = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 10a = 0 + 2
10a = 0 + 2

Combine like terms: 0 + 2 = 2
10a = 2

Divide each side by '10'.
a = 0.2

Simplifying
a = 0.2

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