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Simplifying 30x + 8y = 45x + 7y Solving 30x + 8y = 45x + 7y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-45x' to each side of the equation. 30x + -45x + 8y = 45x + -45x + 7y Combine like terms: 30x + -45x = -15x -15x + 8y = 45x + -45x + 7y Combine like terms: 45x + -45x = 0 -15x + 8y = 0 + 7y -15x + 8y = 7y Add '-8y' to each side of the equation. -15x + 8y + -8y = 7y + -8y Combine like terms: 8y + -8y = 0 -15x + 0 = 7y + -8y -15x = 7y + -8y Combine like terms: 7y + -8y = -1y -15x = -1y Divide each side by '-15'. x = 0.06666666667y Simplifying x = 0.06666666667y
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