3x+(7y+6x)=21-Y

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Solution for 3x+(7y+6x)=21-Y equation:


Simplifying
3x + (7y + 6x) = 21 + -1Y

Reorder the terms:
3x + (6x + 7y) = 21 + -1Y

Remove parenthesis around (6x + 7y)
3x + 6x + 7y = 21 + -1Y

Combine like terms: 3x + 6x = 9x
9x + 7y = 21 + -1Y

Solving
9x + 7y = 21 + -1Y

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
9x + 7y + -7y = 21 + -1Y + -7y

Combine like terms: 7y + -7y = 0
9x + 0 = 21 + -1Y + -7y
9x = 21 + -1Y + -7y

Divide each side by '9'.
x = 2.333333333 + -0.1111111111Y + -0.7777777778y

Simplifying
x = 2.333333333 + -0.1111111111Y + -0.7777777778y

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