84=6(x-7)

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Solution for 84=6(x-7) equation:


Simplifying
84 = 6(x + -7)

Reorder the terms:
84 = 6(-7 + x)
84 = (-7 * 6 + x * 6)
84 = (-42 + 6x)

Solving
84 = -42 + 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.
84 + -6x = -42 + 6x + -6x

Combine like terms: 6x + -6x = 0
84 + -6x = -42 + 0
84 + -6x = -42

Add '-84' to each side of the equation.
84 + -84 + -6x = -42 + -84

Combine like terms: 84 + -84 = 0
0 + -6x = -42 + -84
-6x = -42 + -84

Combine like terms: -42 + -84 = -126
-6x = -126

Divide each side by '-6'.
x = 21

Simplifying
x = 21

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