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Simplifying 4.2 = x7 Solving 4.2 = x7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x7' to each side of the equation. 4.2 + -1x7 = x7 + -1x7 Combine like terms: x7 + -1x7 = 0 4.2 + -1x7 = 0 Add '-4.2' to each side of the equation. 4.2 + -4.2 + -1x7 = 0 + -4.2 Combine like terms: 4.2 + -4.2 = 0.0 0.0 + -1x7 = 0 + -4.2 -1x7 = 0 + -4.2 Combine like terms: 0 + -4.2 = -4.2 -1x7 = -4.2 Divide each side by '-1'. x7 = 4.2 Simplifying x7 = 4.2 Reorder the terms: -4.2 + x7 = 4.2 + -4.2 Combine like terms: 4.2 + -4.2 = 0.0 -4.2 + x7 = 0.0 The solution to this equation could not be determined.
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