(3x-4)-(2x+15)=320

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Solution for (3x-4)-(2x+15)=320 equation:


Simplifying
(3x + -4) + -1(2x + 15) = 320

Reorder the terms:
(-4 + 3x) + -1(2x + 15) = 320

Remove parenthesis around (-4 + 3x)
-4 + 3x + -1(2x + 15) = 320

Reorder the terms:
-4 + 3x + -1(15 + 2x) = 320
-4 + 3x + (15 * -1 + 2x * -1) = 320
-4 + 3x + (-15 + -2x) = 320

Reorder the terms:
-4 + -15 + 3x + -2x = 320

Combine like terms: -4 + -15 = -19
-19 + 3x + -2x = 320

Combine like terms: 3x + -2x = 1x
-19 + 1x = 320

Solving
-19 + 1x = 320

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 1x = 320 + 19

Combine like terms: -19 + 19 = 0
0 + 1x = 320 + 19
1x = 320 + 19

Combine like terms: 320 + 19 = 339
1x = 339

Divide each side by '1'.
x = 339

Simplifying
x = 339

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