(3x+21)+(2x-10)=x-5

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Solution for (3x+21)+(2x-10)=x-5 equation:


Simplifying
(3x + 21) + (2x + -10) = x + -5

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

Remove parenthesis around (21 + 3x)
21 + 3x + (2x + -10) = x + -5

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

Remove parenthesis around (-10 + 2x)
21 + 3x + -10 + 2x = x + -5

Reorder the terms:
21 + -10 + 3x + 2x = x + -5

Combine like terms: 21 + -10 = 11
11 + 3x + 2x = x + -5

Combine like terms: 3x + 2x = 5x
11 + 5x = x + -5

Reorder the terms:
11 + 5x = -5 + x

Solving
11 + 5x = -5 + 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.
11 + 5x + -1x = -5 + x + -1x

Combine like terms: 5x + -1x = 4x
11 + 4x = -5 + x + -1x

Combine like terms: x + -1x = 0
11 + 4x = -5 + 0
11 + 4x = -5

Add '-11' to each side of the equation.
11 + -11 + 4x = -5 + -11

Combine like terms: 11 + -11 = 0
0 + 4x = -5 + -11
4x = -5 + -11

Combine like terms: -5 + -11 = -16
4x = -16

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

Simplifying
x = -4

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