13-2(2x+1)=7x-3(7+x)

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Solution for 13-2(2x+1)=7x-3(7+x) equation:


Simplifying
13 + -2(2x + 1) = 7x + -3(7 + x)

Reorder the terms:
13 + -2(1 + 2x) = 7x + -3(7 + x)
13 + (1 * -2 + 2x * -2) = 7x + -3(7 + x)
13 + (-2 + -4x) = 7x + -3(7 + x)

Combine like terms: 13 + -2 = 11
11 + -4x = 7x + -3(7 + x)
11 + -4x = 7x + (7 * -3 + x * -3)
11 + -4x = 7x + (-21 + -3x)

Reorder the terms:
11 + -4x = -21 + 7x + -3x

Combine like terms: 7x + -3x = 4x
11 + -4x = -21 + 4x

Solving
11 + -4x = -21 + 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.
11 + -4x + -4x = -21 + 4x + -4x

Combine like terms: -4x + -4x = -8x
11 + -8x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
11 + -8x = -21 + 0
11 + -8x = -21

Add '-11' to each side of the equation.
11 + -11 + -8x = -21 + -11

Combine like terms: 11 + -11 = 0
0 + -8x = -21 + -11
-8x = -21 + -11

Combine like terms: -21 + -11 = -32
-8x = -32

Divide each side by '-8'.
x = 4

Simplifying
x = 4

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