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Simplifying 9x4 + -21 = 0 Reorder the terms: -21 + 9x4 = 0 Solving -21 + 9x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + 9x4 = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 9x4 = 0 + 21 9x4 = 0 + 21 Combine like terms: 0 + 21 = 21 9x4 = 21 Divide each side by '9'. x4 = 2.333333333 Simplifying x4 = 2.333333333 Reorder the terms: -2.333333333 + x4 = 2.333333333 + -2.333333333 Combine like terms: 2.333333333 + -2.333333333 = 0.000000000 -2.333333333 + x4 = 0.000000000 The solution to this equation could not be determined.
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