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

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


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

Reorder the terms:
4[-3 + x + 1x] + -7x = 7

Combine like terms: x + 1x = 2x
4[-3 + 2x] + -7x = 7
[-3 * 4 + 2x * 4] + -7x = 7
[-12 + 8x] + -7x = 7

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

Solving
-12 + 1x = 7

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 1x = 7 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = 7 + 12
1x = 7 + 12

Combine like terms: 7 + 12 = 19
1x = 19

Divide each side by '1'.
x = 19

Simplifying
x = 19

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