15=7(x-y)+3x

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


Simplifying
15 = 7(x + -1y) + 3x
15 = (x * 7 + -1y * 7) + 3x
15 = (7x + -7y) + 3x

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

Combine like terms: 7x + 3x = 10x
15 = 10x + -7y

Solving
15 = 10x + -7y

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
15 + -10x = 10x + -10x + -7y

Combine like terms: 10x + -10x = 0
15 + -10x = 0 + -7y
15 + -10x = -7y

Add '-15' to each side of the equation.
15 + -15 + -10x = -15 + -7y

Combine like terms: 15 + -15 = 0
0 + -10x = -15 + -7y
-10x = -15 + -7y

Divide each side by '-10'.
x = 1.5 + 0.7y

Simplifying
x = 1.5 + 0.7y

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