3(x-5)=21x

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Solution for 3(x-5)=21x equation:


Simplifying
3(x + -5) = 21x

Reorder the terms:
3(-5 + x) = 21x
(-5 * 3 + x * 3) = 21x
(-15 + 3x) = 21x

Solving
-15 + 3x = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-15 + 3x + -21x = 21x + -21x

Combine like terms: 3x + -21x = -18x
-15 + -18x = 21x + -21x

Combine like terms: 21x + -21x = 0
-15 + -18x = 0

Add '15' to each side of the equation.
-15 + 15 + -18x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -18x = 0 + 15
-18x = 0 + 15

Combine like terms: 0 + 15 = 15
-18x = 15

Divide each side by '-18'.
x = -0.8333333333

Simplifying
x = -0.8333333333

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