7(2y-x)=21+2(3y-1)

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Solution for 7(2y-x)=21+2(3y-1) equation:


Simplifying
7(2y + -1x) = 21 + 2(3y + -1)

Reorder the terms:
7(-1x + 2y) = 21 + 2(3y + -1)
(-1x * 7 + 2y * 7) = 21 + 2(3y + -1)
(-7x + 14y) = 21 + 2(3y + -1)

Reorder the terms:
-7x + 14y = 21 + 2(-1 + 3y)
-7x + 14y = 21 + (-1 * 2 + 3y * 2)
-7x + 14y = 21 + (-2 + 6y)

Combine like terms: 21 + -2 = 19
-7x + 14y = 19 + 6y

Solving
-7x + 14y = 19 + 6y

Solving for variable 'x'.

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

Add '-14y' to each side of the equation.
-7x + 14y + -14y = 19 + 6y + -14y

Combine like terms: 14y + -14y = 0
-7x + 0 = 19 + 6y + -14y
-7x = 19 + 6y + -14y

Combine like terms: 6y + -14y = -8y
-7x = 19 + -8y

Divide each side by '-7'.
x = -2.714285714 + 1.142857143y

Simplifying
x = -2.714285714 + 1.142857143y

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