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Simplifying 7x2 + -8y = -4 Solving 7x2 + -8y = -4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8y' to each side of the equation. 7x2 + -8y + 8y = -4 + 8y Combine like terms: -8y + 8y = 0 7x2 + 0 = -4 + 8y 7x2 = -4 + 8y Divide each side by '7'. x2 = -0.5714285714 + 1.142857143y Simplifying x2 = -0.5714285714 + 1.142857143y Reorder the terms: 0.5714285714 + x2 + -1.142857143y = -0.5714285714 + 1.142857143y + 0.5714285714 + -1.142857143y Reorder the terms: 0.5714285714 + x2 + -1.142857143y = -0.5714285714 + 0.5714285714 + 1.142857143y + -1.142857143y Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000 0.5714285714 + x2 + -1.142857143y = 0.0000000000 + 1.142857143y + -1.142857143y 0.5714285714 + x2 + -1.142857143y = 1.142857143y + -1.142857143y Combine like terms: 1.142857143y + -1.142857143y = 0.000000000 0.5714285714 + x2 + -1.142857143y = 0.000000000 The solution to this equation could not be determined.
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