(9a+7)-(10-3a)=

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Solution for (9a+7)-(10-3a)= equation:


Simplifying
(9a + 7) + -1(10 + -3a) = 0

Reorder the terms:
(7 + 9a) + -1(10 + -3a) = 0

Remove parenthesis around (7 + 9a)
7 + 9a + -1(10 + -3a) = 0
7 + 9a + (10 * -1 + -3a * -1) = 0
7 + 9a + (-10 + 3a) = 0

Reorder the terms:
7 + -10 + 9a + 3a = 0

Combine like terms: 7 + -10 = -3
-3 + 9a + 3a = 0

Combine like terms: 9a + 3a = 12a
-3 + 12a = 0

Solving
-3 + 12a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 12a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 12a = 0 + 3
12a = 0 + 3

Combine like terms: 0 + 3 = 3
12a = 3

Divide each side by '12'.
a = 0.25

Simplifying
a = 0.25

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