(9x+4)-(-3x+7)=

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Solution for (9x+4)-(-3x+7)= equation:


Simplifying
(9x + 4) + -1(-3x + 7) = 0

Reorder the terms:
(4 + 9x) + -1(-3x + 7) = 0

Remove parenthesis around (4 + 9x)
4 + 9x + -1(-3x + 7) = 0

Reorder the terms:
4 + 9x + -1(7 + -3x) = 0
4 + 9x + (7 * -1 + -3x * -1) = 0
4 + 9x + (-7 + 3x) = 0

Reorder the terms:
4 + -7 + 9x + 3x = 0

Combine like terms: 4 + -7 = -3
-3 + 9x + 3x = 0

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

Solving
-3 + 12x = 0

Solving for variable 'x'.

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

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

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

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

Divide each side by '12'.
x = 0.25

Simplifying
x = 0.25

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