21x=2(x-3)

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Solution for 21x=2(x-3) equation:


Simplifying
21x = 2(x + -3)

Reorder the terms:
21x = 2(-3 + x)
21x = (-3 * 2 + x * 2)
21x = (-6 + 2x)

Solving
21x = -6 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
21x + -2x = -6 + 2x + -2x

Combine like terms: 21x + -2x = 19x
19x = -6 + 2x + -2x

Combine like terms: 2x + -2x = 0
19x = -6 + 0
19x = -6

Divide each side by '19'.
x = -0.3157894737

Simplifying
x = -0.3157894737

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