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Simplifying 4x2 + 7y = 72 Solving 4x2 + 7y = 72 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y' to each side of the equation. 4x2 + 7y + -7y = 72 + -7y Combine like terms: 7y + -7y = 0 4x2 + 0 = 72 + -7y 4x2 = 72 + -7y Divide each side by '4'. x2 = 18 + -1.75y Simplifying x2 = 18 + -1.75y Reorder the terms: -18 + x2 + 1.75y = 18 + -1.75y + -18 + 1.75y Reorder the terms: -18 + x2 + 1.75y = 18 + -18 + -1.75y + 1.75y Combine like terms: 18 + -18 = 0 -18 + x2 + 1.75y = 0 + -1.75y + 1.75y -18 + x2 + 1.75y = -1.75y + 1.75y Combine like terms: -1.75y + 1.75y = 0.00 -18 + x2 + 1.75y = 0.00 The solution to this equation could not be determined.
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