2(7+x)-4(x+3)=15(x-1)

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Solution for 2(7+x)-4(x+3)=15(x-1) equation:


Simplifying
2(7 + x) + -4(x + 3) = 15(x + -1)
(7 * 2 + x * 2) + -4(x + 3) = 15(x + -1)
(14 + 2x) + -4(x + 3) = 15(x + -1)

Reorder the terms:
14 + 2x + -4(3 + x) = 15(x + -1)
14 + 2x + (3 * -4 + x * -4) = 15(x + -1)
14 + 2x + (-12 + -4x) = 15(x + -1)

Reorder the terms:
14 + -12 + 2x + -4x = 15(x + -1)

Combine like terms: 14 + -12 = 2
2 + 2x + -4x = 15(x + -1)

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

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

Solving
2 + -2x = -15 + 15x

Solving for variable 'x'.

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

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

Combine like terms: -2x + -15x = -17x
2 + -17x = -15 + 15x + -15x

Combine like terms: 15x + -15x = 0
2 + -17x = -15 + 0
2 + -17x = -15

Add '-2' to each side of the equation.
2 + -2 + -17x = -15 + -2

Combine like terms: 2 + -2 = 0
0 + -17x = -15 + -2
-17x = -15 + -2

Combine like terms: -15 + -2 = -17
-17x = -17

Divide each side by '-17'.
x = 1

Simplifying
x = 1

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