((21-1)*15)+x=315

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Solution for ((21-1)*15)+x=315 equation:


Simplifying
((21 + -1) * 15) + x = 315

Combine like terms: 21 + -1 = 20
((20) * 15) + x = 315

Multiply 20 * 15
(300) + x = 315
300 + x = 315

Solving
300 + x = 315

Solving for variable 'x'.

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

Add '-300' to each side of the equation.
300 + -300 + x = 315 + -300

Combine like terms: 300 + -300 = 0
0 + x = 315 + -300
x = 315 + -300

Combine like terms: 315 + -300 = 15
x = 15

Simplifying
x = 15

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