3(5x-(7-7y+7x)+7y)=

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Solution for 3(5x-(7-7y+7x)+7y)= equation:


Simplifying
3(5x + -1(7 + -7y + 7x) + 7y) = 0

Reorder the terms:
3(5x + -1(7 + 7x + -7y) + 7y) = 0
3(5x + (7 * -1 + 7x * -1 + -7y * -1) + 7y) = 0
3(5x + (-7 + -7x + 7y) + 7y) = 0

Reorder the terms:
3(-7 + 5x + -7x + 7y + 7y) = 0

Combine like terms: 5x + -7x = -2x
3(-7 + -2x + 7y + 7y) = 0

Combine like terms: 7y + 7y = 14y
3(-7 + -2x + 14y) = 0
(-7 * 3 + -2x * 3 + 14y * 3) = 0
(-21 + -6x + 42y) = 0

Solving
-21 + -6x + 42y = 0

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + -6x + 21 + 42y = 0 + 21

Reorder the terms:
-21 + 21 + -6x + 42y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -6x + 42y = 0 + 21
-6x + 42y = 0 + 21

Combine like terms: 0 + 21 = 21
-6x + 42y = 21

Add '-42y' to each side of the equation.
-6x + 42y + -42y = 21 + -42y

Combine like terms: 42y + -42y = 0
-6x + 0 = 21 + -42y
-6x = 21 + -42y

Divide each side by '-6'.
x = -3.5 + 7y

Simplifying
x = -3.5 + 7y

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