3x+15=21+7y

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Solution for 3x+15=21+7y equation:


Simplifying
3x + 15 = 21 + 7y

Reorder the terms:
15 + 3x = 21 + 7y

Solving
15 + 3x = 21 + 7y

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 21 + -15 + 7y

Combine like terms: 15 + -15 = 0
0 + 3x = 21 + -15 + 7y
3x = 21 + -15 + 7y

Combine like terms: 21 + -15 = 6
3x = 6 + 7y

Divide each side by '3'.
x = 2 + 2.333333333y

Simplifying
x = 2 + 2.333333333y

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