3x+7y=2x+4y

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Solution for 3x+7y=2x+4y equation:


Simplifying
3x + 7y = 2x + 4y

Solving
3x + 7y = 2x + 4y

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
3x + -2x + 7y = 2x + -2x + 4y

Combine like terms: 3x + -2x = 1x
1x + 7y = 2x + -2x + 4y

Combine like terms: 2x + -2x = 0
1x + 7y = 0 + 4y
1x + 7y = 4y

Add '-7y' to each side of the equation.
1x + 7y + -7y = 4y + -7y

Combine like terms: 7y + -7y = 0
1x + 0 = 4y + -7y
1x = 4y + -7y

Combine like terms: 4y + -7y = -3y
1x = -3y

Divide each side by '1'.
x = -3y

Simplifying
x = -3y

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