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

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


Simplifying
7x + -1(2x + 1) = 7 + -1(x + -4)

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

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

Combine like terms: 7x + -2x = 5x
-1 + 5x = 7 + -1(x + -4)

Reorder the terms:
-1 + 5x = 7 + -1(-4 + x)
-1 + 5x = 7 + (-4 * -1 + x * -1)
-1 + 5x = 7 + (4 + -1x)

Combine like terms: 7 + 4 = 11
-1 + 5x = 11 + -1x

Solving
-1 + 5x = 11 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-1 + 5x + x = 11 + -1x + x

Combine like terms: 5x + x = 6x
-1 + 6x = 11 + -1x + x

Combine like terms: -1x + x = 0
-1 + 6x = 11 + 0
-1 + 6x = 11

Add '1' to each side of the equation.
-1 + 1 + 6x = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 6x = 11 + 1
6x = 11 + 1

Combine like terms: 11 + 1 = 12
6x = 12

Divide each side by '6'.
x = 2

Simplifying
x = 2

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