7[2-(3x+4x)]-2x=-9+2(1-15x)

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Solution for 7[2-(3x+4x)]-2x=-9+2(1-15x) equation:


Simplifying
7[2 + -1(3x + 4x)] + -2x = -9 + 2(1 + -15x)

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

Remove parenthesis around (7x)
7[2 + -1 * 7x] + -2x = -9 + 2(1 + -15x)

Multiply -1 * 7
7[2 + -7x] + -2x = -9 + 2(1 + -15x)
[2 * 7 + -7x * 7] + -2x = -9 + 2(1 + -15x)
[14 + -49x] + -2x = -9 + 2(1 + -15x)

Combine like terms: -49x + -2x = -51x
14 + -51x = -9 + 2(1 + -15x)
14 + -51x = -9 + (1 * 2 + -15x * 2)
14 + -51x = -9 + (2 + -30x)

Combine like terms: -9 + 2 = -7
14 + -51x = -7 + -30x

Solving
14 + -51x = -7 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
14 + -51x + 30x = -7 + -30x + 30x

Combine like terms: -51x + 30x = -21x
14 + -21x = -7 + -30x + 30x

Combine like terms: -30x + 30x = 0
14 + -21x = -7 + 0
14 + -21x = -7

Add '-14' to each side of the equation.
14 + -14 + -21x = -7 + -14

Combine like terms: 14 + -14 = 0
0 + -21x = -7 + -14
-21x = -7 + -14

Combine like terms: -7 + -14 = -21
-21x = -21

Divide each side by '-21'.
x = 1

Simplifying
x = 1

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