7(4-x)+3(x-5)=9x

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Solution for 7(4-x)+3(x-5)=9x equation:


Simplifying
7(4 + -1x) + 3(x + -5) = 9x
(4 * 7 + -1x * 7) + 3(x + -5) = 9x
(28 + -7x) + 3(x + -5) = 9x

Reorder the terms:
28 + -7x + 3(-5 + x) = 9x
28 + -7x + (-5 * 3 + x * 3) = 9x
28 + -7x + (-15 + 3x) = 9x

Reorder the terms:
28 + -15 + -7x + 3x = 9x

Combine like terms: 28 + -15 = 13
13 + -7x + 3x = 9x

Combine like terms: -7x + 3x = -4x
13 + -4x = 9x

Solving
13 + -4x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
13 + -4x + -9x = 9x + -9x

Combine like terms: -4x + -9x = -13x
13 + -13x = 9x + -9x

Combine like terms: 9x + -9x = 0
13 + -13x = 0

Add '-13' to each side of the equation.
13 + -13 + -13x = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -13x = 0 + -13
-13x = 0 + -13

Combine like terms: 0 + -13 = -13
-13x = -13

Divide each side by '-13'.
x = 1

Simplifying
x = 1

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