x-3(4-x)=7x-(1-x)

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


Simplifying
x + -3(4 + -1x) = 7x + -1(1 + -1x)
x + (4 * -3 + -1x * -3) = 7x + -1(1 + -1x)
x + (-12 + 3x) = 7x + -1(1 + -1x)

Reorder the terms:
-12 + x + 3x = 7x + -1(1 + -1x)

Combine like terms: x + 3x = 4x
-12 + 4x = 7x + -1(1 + -1x)
-12 + 4x = 7x + (1 * -1 + -1x * -1)
-12 + 4x = 7x + (-1 + 1x)

Reorder the terms:
-12 + 4x = -1 + 7x + 1x

Combine like terms: 7x + 1x = 8x
-12 + 4x = -1 + 8x

Solving
-12 + 4x = -1 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-12 + 4x + -8x = -1 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-12 + -4x = -1 + 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + -4x = -1 + 0
-12 + -4x = -1

Add '12' to each side of the equation.
-12 + 12 + -4x = -1 + 12

Combine like terms: -12 + 12 = 0
0 + -4x = -1 + 12
-4x = -1 + 12

Combine like terms: -1 + 12 = 11
-4x = 11

Divide each side by '-4'.
x = -2.75

Simplifying
x = -2.75

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