3x+7-x=19-4(x-3)

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Solution for 3x+7-x=19-4(x-3) equation:


Simplifying
3x + 7 + -1x = 19 + -4(x + -3)

Reorder the terms:
7 + 3x + -1x = 19 + -4(x + -3)

Combine like terms: 3x + -1x = 2x
7 + 2x = 19 + -4(x + -3)

Reorder the terms:
7 + 2x = 19 + -4(-3 + x)
7 + 2x = 19 + (-3 * -4 + x * -4)
7 + 2x = 19 + (12 + -4x)

Combine like terms: 19 + 12 = 31
7 + 2x = 31 + -4x

Solving
7 + 2x = 31 + -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.
7 + 2x + 4x = 31 + -4x + 4x

Combine like terms: 2x + 4x = 6x
7 + 6x = 31 + -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 6x = 31 + 0
7 + 6x = 31

Add '-7' to each side of the equation.
7 + -7 + 6x = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 6x = 31 + -7
6x = 31 + -7

Combine like terms: 31 + -7 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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