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

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


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

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

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

Combine like terms: -3 + 4 = 1
3[1 + -7x + 4x] = 3x + 7

Combine like terms: -7x + 4x = -3x
3[1 + -3x] = 3x + 7
[1 * 3 + -3x * 3] = 3x + 7
[3 + -9x] = 3x + 7

Reorder the terms:
3 + -9x = 7 + 3x

Solving
3 + -9x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
3 + -9x + -3x = 7 + 3x + -3x

Combine like terms: -9x + -3x = -12x
3 + -12x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
3 + -12x = 7 + 0
3 + -12x = 7

Add '-3' to each side of the equation.
3 + -3 + -12x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -12x = 7 + -3
-12x = 7 + -3

Combine like terms: 7 + -3 = 4
-12x = 4

Divide each side by '-12'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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