68=3(2x+21)

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Solution for 68=3(2x+21) equation:


Simplifying
68 = 3(2x + 21)

Reorder the terms:
68 = 3(21 + 2x)
68 = (21 * 3 + 2x * 3)
68 = (63 + 6x)

Solving
68 = 63 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
68 + -6x = 63 + 6x + -6x

Combine like terms: 6x + -6x = 0
68 + -6x = 63 + 0
68 + -6x = 63

Add '-68' to each side of the equation.
68 + -68 + -6x = 63 + -68

Combine like terms: 68 + -68 = 0
0 + -6x = 63 + -68
-6x = 63 + -68

Combine like terms: 63 + -68 = -5
-6x = -5

Divide each side by '-6'.
x = 0.8333333333

Simplifying
x = 0.8333333333

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