(7+2x)3=6+3x

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Solution for (7+2x)3=6+3x equation:


Simplifying
(7 + 2x) * 3 = 6 + 3x

Reorder the terms for easier multiplication:
3(7 + 2x) = 6 + 3x
(7 * 3 + 2x * 3) = 6 + 3x
(21 + 6x) = 6 + 3x

Solving
21 + 6x = 6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + 6x + -3x = 6 + 3x + -3x

Combine like terms: 6x + -3x = 3x
21 + 3x = 6 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 3x = 6 + 0
21 + 3x = 6

Add '-21' to each side of the equation.
21 + -21 + 3x = 6 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 6 + -21
3x = 6 + -21

Combine like terms: 6 + -21 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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