3x=7(8x+21)

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Solution for 3x=7(8x+21) equation:


Simplifying
3x = 7(8x + 21)

Reorder the terms:
3x = 7(21 + 8x)
3x = (21 * 7 + 8x * 7)
3x = (147 + 56x)

Solving
3x = 147 + 56x

Solving for variable 'x'.

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

Add '-56x' to each side of the equation.
3x + -56x = 147 + 56x + -56x

Combine like terms: 3x + -56x = -53x
-53x = 147 + 56x + -56x

Combine like terms: 56x + -56x = 0
-53x = 147 + 0
-53x = 147

Divide each side by '-53'.
x = -2.773584906

Simplifying
x = -2.773584906

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