3(7+x)=3x+15

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Solution for 3(7+x)=3x+15 equation:


Simplifying
3(7 + x) = 3x + 15
(7 * 3 + x * 3) = 3x + 15
(21 + 3x) = 3x + 15

Reorder the terms:
21 + 3x = 15 + 3x

Add '-3x' to each side of the equation.
21 + 3x + -3x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 0 = 15 + 3x + -3x
21 = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 = 15 + 0
21 = 15

Solving
21 = 15

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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