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Simplifying 3y2 + -1x + -30y + 78 = 0 Reorder the terms: 78 + -1x + -30y + 3y2 = 0 Solving 78 + -1x + -30y + 3y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-78' to each side of the equation. 78 + -1x + -30y + -78 + 3y2 = 0 + -78 Reorder the terms: 78 + -78 + -1x + -30y + 3y2 = 0 + -78 Combine like terms: 78 + -78 = 0 0 + -1x + -30y + 3y2 = 0 + -78 -1x + -30y + 3y2 = 0 + -78 Combine like terms: 0 + -78 = -78 -1x + -30y + 3y2 = -78 Add '30y' to each side of the equation. -1x + -30y + 30y + 3y2 = -78 + 30y Combine like terms: -30y + 30y = 0 -1x + 0 + 3y2 = -78 + 30y -1x + 3y2 = -78 + 30y Add '-3y2' to each side of the equation. -1x + 3y2 + -3y2 = -78 + 30y + -3y2 Combine like terms: 3y2 + -3y2 = 0 -1x + 0 = -78 + 30y + -3y2 -1x = -78 + 30y + -3y2 Divide each side by '-1'. x = 78 + -30y + 3y2 Simplifying x = 78 + -30y + 3y2
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