21x+15=540

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Solution for 21x+15=540 equation: 


Simplifying
21x + 15 = 540

Reorder the terms:
15 + 21x = 540

Solving
15 + 21x = 540

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 21x = 540 + -15

Combine like terms: 15 + -15 = 0
0 + 21x = 540 + -15
21x = 540 + -15

Combine like terms: 540 + -15 = 525
21x = 525

Divide each side by '21'.
x = 25

Simplifying
x = 25

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