3(7x)=8x-2

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Solution for 3(7x)=8x-2 equation:


Simplifying
3(7x) = 8x + -2

Remove parenthesis around (7x)
3 * 7x = 8x + -2

Multiply 3 * 7
21x = 8x + -2

Reorder the terms:
21x = -2 + 8x

Solving
21x = -2 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
21x + -8x = -2 + 8x + -8x

Combine like terms: 21x + -8x = 13x
13x = -2 + 8x + -8x

Combine like terms: 8x + -8x = 0
13x = -2 + 0
13x = -2

Divide each side by '13'.
x = -0.1538461538

Simplifying
x = -0.1538461538

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