(6x)-7=(2x)+21

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Solution for (6x)-7=(2x)+21 equation:


Simplifying
(6x) + -7 = (2x) + 21

Reorder the terms:
-7 + (6x) = (2x) + 21

Reorder the terms:
-7 + (6x) = 21 + (2x)

Solving
-7 + (6x) = 21 + (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.
-7 + (6x) + (-2x) = 21 + (2x) + (-2x)

Combine like terms: (6x) + (-2x) = 4x
-7 + 4x = 21 + (2x) + (-2x)

Combine like terms: (2x) + (-2x) = 0
-7 + 4x = 21 + 0
-7 + 4x = 21

Add '7' to each side of the equation.
-7 + 7 + 4x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 21 + 7
4x = 21 + 7

Combine like terms: 21 + 7 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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