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Simplifying 7 + -4x2 = 18 Solving 7 + -4x2 = 18 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4x2 = 18 + -7 Combine like terms: 7 + -7 = 0 0 + -4x2 = 18 + -7 -4x2 = 18 + -7 Combine like terms: 18 + -7 = 11 -4x2 = 11 Divide each side by '-4'. x2 = -2.75 Simplifying x2 = -2.75 Reorder the terms: 2.75 + x2 = -2.75 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 2.75 + x2 = 0.00 The solution to this equation could not be determined.
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