10x-21(x-3)=402

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Solution for 10x-21(x-3)=402 equation:


Simplifying
10x + -21(x + -3) = 402

Reorder the terms:
10x + -21(-3 + x) = 402
10x + (-3 * -21 + x * -21) = 402
10x + (63 + -21x) = 402

Reorder the terms:
63 + 10x + -21x = 402

Combine like terms: 10x + -21x = -11x
63 + -11x = 402

Solving
63 + -11x = 402

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + -11x = 402 + -63

Combine like terms: 63 + -63 = 0
0 + -11x = 402 + -63
-11x = 402 + -63

Combine like terms: 402 + -63 = 339
-11x = 339

Divide each side by '-11'.
x = -30.81818182

Simplifying
x = -30.81818182

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