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

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


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

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

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

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

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

Combine like terms: 7 + 4 = 11
11 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
11 + 8x = 0

Solving
11 + 8x = 0

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 8x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 8x = 0 + -11
8x = 0 + -11

Combine like terms: 0 + -11 = -11
8x = -11

Divide each side by '8'.
x = -1.375

Simplifying
x = -1.375

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