7x-(x+4)-3(5x-9)=0

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Solution for 7x-(x+4)-3(5x-9)=0 equation:


Simplifying
7x + -1(x + 4) + -3(5x + -9) = 0

Reorder the terms:
7x + -1(4 + x) + -3(5x + -9) = 0
7x + (4 * -1 + x * -1) + -3(5x + -9) = 0
7x + (-4 + -1x) + -3(5x + -9) = 0

Reorder the terms:
7x + -4 + -1x + -3(-9 + 5x) = 0
7x + -4 + -1x + (-9 * -3 + 5x * -3) = 0
7x + -4 + -1x + (27 + -15x) = 0

Reorder the terms:
-4 + 27 + 7x + -1x + -15x = 0

Combine like terms: -4 + 27 = 23
23 + 7x + -1x + -15x = 0

Combine like terms: 7x + -1x = 6x
23 + 6x + -15x = 0

Combine like terms: 6x + -15x = -9x
23 + -9x = 0

Solving
23 + -9x = 0

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + -9x = 0 + -23

Combine like terms: 23 + -23 = 0
0 + -9x = 0 + -23
-9x = 0 + -23

Combine like terms: 0 + -23 = -23
-9x = -23

Divide each side by '-9'.
x = 2.555555556

Simplifying
x = 2.555555556

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