(3x+17)-(2x-19)=21

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Solution for (3x+17)-(2x-19)=21 equation:


Simplifying
(3x + 17) + -1(2x + -19) = 21

Reorder the terms:
(17 + 3x) + -1(2x + -19) = 21

Remove parenthesis around (17 + 3x)
17 + 3x + -1(2x + -19) = 21

Reorder the terms:
17 + 3x + -1(-19 + 2x) = 21
17 + 3x + (-19 * -1 + 2x * -1) = 21
17 + 3x + (19 + -2x) = 21

Reorder the terms:
17 + 19 + 3x + -2x = 21

Combine like terms: 17 + 19 = 36
36 + 3x + -2x = 21

Combine like terms: 3x + -2x = 1x
36 + 1x = 21

Solving
36 + 1x = 21

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 1x = 21 + -36

Combine like terms: 36 + -36 = 0
0 + 1x = 21 + -36
1x = 21 + -36

Combine like terms: 21 + -36 = -15
1x = -15

Divide each side by '1'.
x = -15

Simplifying
x = -15

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