15x+21(x-5)=291

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Solution for 15x+21(x-5)=291 equation:


Simplifying
15x + 21(x + -5) = 291

Reorder the terms:
15x + 21(-5 + x) = 291
15x + (-5 * 21 + x * 21) = 291
15x + (-105 + 21x) = 291

Reorder the terms:
-105 + 15x + 21x = 291

Combine like terms: 15x + 21x = 36x
-105 + 36x = 291

Solving
-105 + 36x = 291

Solving for variable 'x'.

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

Add '105' to each side of the equation.
-105 + 105 + 36x = 291 + 105

Combine like terms: -105 + 105 = 0
0 + 36x = 291 + 105
36x = 291 + 105

Combine like terms: 291 + 105 = 396
36x = 396

Divide each side by '36'.
x = 11

Simplifying
x = 11

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