3(x+7)-(x+2)=x-4

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Solution for 3(x+7)-(x+2)=x-4 equation:


Simplifying
3(x + 7) + -1(x + 2) = x + -4

Reorder the terms:
3(7 + x) + -1(x + 2) = x + -4
(7 * 3 + x * 3) + -1(x + 2) = x + -4
(21 + 3x) + -1(x + 2) = x + -4

Reorder the terms:
21 + 3x + -1(2 + x) = x + -4
21 + 3x + (2 * -1 + x * -1) = x + -4
21 + 3x + (-2 + -1x) = x + -4

Reorder the terms:
21 + -2 + 3x + -1x = x + -4

Combine like terms: 21 + -2 = 19
19 + 3x + -1x = x + -4

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

Reorder the terms:
19 + 2x = -4 + x

Solving
19 + 2x = -4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
19 + 2x + -1x = -4 + x + -1x

Combine like terms: 2x + -1x = 1x
19 + 1x = -4 + x + -1x

Combine like terms: x + -1x = 0
19 + 1x = -4 + 0
19 + 1x = -4

Add '-19' to each side of the equation.
19 + -19 + 1x = -4 + -19

Combine like terms: 19 + -19 = 0
0 + 1x = -4 + -19
1x = -4 + -19

Combine like terms: -4 + -19 = -23
1x = -23

Divide each side by '1'.
x = -23

Simplifying
x = -23

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