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

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


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

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

Reorder the terms:
2 + 7x = 3x + 5 + -4(-4 + 2x)
2 + 7x = 3x + 5 + (-4 * -4 + 2x * -4)
2 + 7x = 3x + 5 + (16 + -8x)

Reorder the terms:
2 + 7x = 5 + 16 + 3x + -8x

Combine like terms: 5 + 16 = 21
2 + 7x = 21 + 3x + -8x

Combine like terms: 3x + -8x = -5x
2 + 7x = 21 + -5x

Solving
2 + 7x = 21 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
2 + 7x + 5x = 21 + -5x + 5x

Combine like terms: 7x + 5x = 12x
2 + 12x = 21 + -5x + 5x

Combine like terms: -5x + 5x = 0
2 + 12x = 21 + 0
2 + 12x = 21

Add '-2' to each side of the equation.
2 + -2 + 12x = 21 + -2

Combine like terms: 2 + -2 = 0
0 + 12x = 21 + -2
12x = 21 + -2

Combine like terms: 21 + -2 = 19
12x = 19

Divide each side by '12'.
x = 1.583333333

Simplifying
x = 1.583333333

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