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Simplifying 4x2 + -28z = -11 Solving 4x2 + -28z = -11 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '28z' to each side of the equation. 4x2 + -28z + 28z = -11 + 28z Combine like terms: -28z + 28z = 0 4x2 + 0 = -11 + 28z 4x2 = -11 + 28z Divide each side by '4'. x2 = -2.75 + 7z Simplifying x2 = -2.75 + 7z Reorder the terms: 2.75 + x2 + -7z = -2.75 + 7z + 2.75 + -7z Reorder the terms: 2.75 + x2 + -7z = -2.75 + 2.75 + 7z + -7z Combine like terms: -2.75 + 2.75 = 0.00 2.75 + x2 + -7z = 0.00 + 7z + -7z 2.75 + x2 + -7z = 7z + -7z Combine like terms: 7z + -7z = 0 2.75 + x2 + -7z = 0 The solution to this equation could not be determined.
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