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

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


Simplifying
3(x + 3) + 4x = 3x + -7

Reorder the terms:
3(3 + x) + 4x = 3x + -7
(3 * 3 + x * 3) + 4x = 3x + -7
(9 + 3x) + 4x = 3x + -7

Combine like terms: 3x + 4x = 7x
9 + 7x = 3x + -7

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

Solving
9 + 7x = -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.
9 + 7x + -3x = -7 + 3x + -3x

Combine like terms: 7x + -3x = 4x
9 + 4x = -7 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 4x = -7 + 0
9 + 4x = -7

Add '-9' to each side of the equation.
9 + -9 + 4x = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = -7 + -9
4x = -7 + -9

Combine like terms: -7 + -9 = -16
4x = -16

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

Simplifying
x = -4

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