8x+3x-4y=9x-7y

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Solution for 8x+3x-4y=9x-7y equation:


Simplifying
8x + 3x + -4y = 9x + -7y

Combine like terms: 8x + 3x = 11x
11x + -4y = 9x + -7y

Solving
11x + -4y = 9x + -7y

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
11x + -9x + -4y = 9x + -9x + -7y

Combine like terms: 11x + -9x = 2x
2x + -4y = 9x + -9x + -7y

Combine like terms: 9x + -9x = 0
2x + -4y = 0 + -7y
2x + -4y = -7y

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

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

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

Divide each side by '2'.
x = -1.5y

Simplifying
x = -1.5y

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