3-(x+7)=23-(3x+2)

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Solution for 3-(x+7)=23-(3x+2) equation:


Simplifying
3 + -1(x + 7) = 23 + -1(3x + 2)

Reorder the terms:
3 + -1(7 + x) = 23 + -1(3x + 2)
3 + (7 * -1 + x * -1) = 23 + -1(3x + 2)
3 + (-7 + -1x) = 23 + -1(3x + 2)

Combine like terms: 3 + -7 = -4
-4 + -1x = 23 + -1(3x + 2)

Reorder the terms:
-4 + -1x = 23 + -1(2 + 3x)
-4 + -1x = 23 + (2 * -1 + 3x * -1)
-4 + -1x = 23 + (-2 + -3x)

Combine like terms: 23 + -2 = 21
-4 + -1x = 21 + -3x

Solving
-4 + -1x = 21 + -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.
-4 + -1x + 3x = 21 + -3x + 3x

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

Combine like terms: -3x + 3x = 0
-4 + 2x = 21 + 0
-4 + 2x = 21

Add '4' to each side of the equation.
-4 + 4 + 2x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = 21 + 4
2x = 21 + 4

Combine like terms: 21 + 4 = 25
2x = 25

Divide each side by '2'.
x = 12.5

Simplifying
x = 12.5

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