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

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


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

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

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

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

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

Combine like terms: 7 + -3 = 4
4 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
4 + 8x = 0

Solving
4 + 8x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 8x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 8x = 0 + -4
8x = 0 + -4

Combine like terms: 0 + -4 = -4
8x = -4

Divide each side by '8'.
x = -0.5

Simplifying
x = -0.5

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