4(x-3)+3x=-(5x-21)+x

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Solution for 4(x-3)+3x=-(5x-21)+x equation:


Simplifying
4(x + -3) + 3x = -1(5x + -21) + x

Reorder the terms:
4(-3 + x) + 3x = -1(5x + -21) + x
(-3 * 4 + x * 4) + 3x = -1(5x + -21) + x
(-12 + 4x) + 3x = -1(5x + -21) + x

Combine like terms: 4x + 3x = 7x
-12 + 7x = -1(5x + -21) + x

Reorder the terms:
-12 + 7x = -1(-21 + 5x) + x
-12 + 7x = (-21 * -1 + 5x * -1) + x
-12 + 7x = (21 + -5x) + x

Combine like terms: -5x + x = -4x
-12 + 7x = 21 + -4x

Solving
-12 + 7x = 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.
-12 + 7x + 4x = 21 + -4x + 4x

Combine like terms: 7x + 4x = 11x
-12 + 11x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + 11x = 21 + 0
-12 + 11x = 21

Add '12' to each side of the equation.
-12 + 12 + 11x = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 11x = 21 + 12
11x = 21 + 12

Combine like terms: 21 + 12 = 33
11x = 33

Divide each side by '11'.
x = 3

Simplifying
x = 3

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