7x-3(x-5)=2(x-1)+9

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Solution for 7x-3(x-5)=2(x-1)+9 equation:


Simplifying
7x + -3(x + -5) = 2(x + -1) + 9

Reorder the terms:
7x + -3(-5 + x) = 2(x + -1) + 9
7x + (-5 * -3 + x * -3) = 2(x + -1) + 9
7x + (15 + -3x) = 2(x + -1) + 9

Reorder the terms:
15 + 7x + -3x = 2(x + -1) + 9

Combine like terms: 7x + -3x = 4x
15 + 4x = 2(x + -1) + 9

Reorder the terms:
15 + 4x = 2(-1 + x) + 9
15 + 4x = (-1 * 2 + x * 2) + 9
15 + 4x = (-2 + 2x) + 9

Reorder the terms:
15 + 4x = -2 + 9 + 2x

Combine like terms: -2 + 9 = 7
15 + 4x = 7 + 2x

Solving
15 + 4x = 7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
15 + 4x + -2x = 7 + 2x + -2x

Combine like terms: 4x + -2x = 2x
15 + 2x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 2x = 7 + 0
15 + 2x = 7

Add '-15' to each side of the equation.
15 + -15 + 2x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 7 + -15
2x = 7 + -15

Combine like terms: 7 + -15 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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