2x+5x-9=3x-7(x+4)

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Solution for 2x+5x-9=3x-7(x+4) equation:


Simplifying
2x + 5x + -9 = 3x + -7(x + 4)

Reorder the terms:
-9 + 2x + 5x = 3x + -7(x + 4)

Combine like terms: 2x + 5x = 7x
-9 + 7x = 3x + -7(x + 4)

Reorder the terms:
-9 + 7x = 3x + -7(4 + x)
-9 + 7x = 3x + (4 * -7 + x * -7)
-9 + 7x = 3x + (-28 + -7x)

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

Combine like terms: 3x + -7x = -4x
-9 + 7x = -28 + -4x

Solving
-9 + 7x = -28 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-9 + 7x + 4x = -28 + -4x + 4x

Combine like terms: 7x + 4x = 11x
-9 + 11x = -28 + -4x + 4x

Combine like terms: -4x + 4x = 0
-9 + 11x = -28 + 0
-9 + 11x = -28

Add '9' to each side of the equation.
-9 + 9 + 11x = -28 + 9

Combine like terms: -9 + 9 = 0
0 + 11x = -28 + 9
11x = -28 + 9

Combine like terms: -28 + 9 = -19
11x = -19

Divide each side by '11'.
x = -1.727272727

Simplifying
x = -1.727272727

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