3(x-7)=2(x+5)-x

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Solution for 3(x-7)=2(x+5)-x equation:


Simplifying
3(x + -7) = 2(x + 5) + -1x

Reorder the terms:
3(-7 + x) = 2(x + 5) + -1x
(-7 * 3 + x * 3) = 2(x + 5) + -1x
(-21 + 3x) = 2(x + 5) + -1x

Reorder the terms:
-21 + 3x = 2(5 + x) + -1x
-21 + 3x = (5 * 2 + x * 2) + -1x
-21 + 3x = (10 + 2x) + -1x

Combine like terms: 2x + -1x = 1x
-21 + 3x = 10 + 1x

Solving
-21 + 3x = 10 + 1x

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.
-21 + 3x + -1x = 10 + 1x + -1x

Combine like terms: 3x + -1x = 2x
-21 + 2x = 10 + 1x + -1x

Combine like terms: 1x + -1x = 0
-21 + 2x = 10 + 0
-21 + 2x = 10

Add '21' to each side of the equation.
-21 + 21 + 2x = 10 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 10 + 21
2x = 10 + 21

Combine like terms: 10 + 21 = 31
2x = 31

Divide each side by '2'.
x = 15.5

Simplifying
x = 15.5

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