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Simplifying 3x + -7 = 3x(x + 1) Reorder the terms: -7 + 3x = 3x(x + 1) Reorder the terms: -7 + 3x = 3x(1 + x) -7 + 3x = (1 * 3x + x * 3x) -7 + 3x = (3x + 3x2) Add '-3x' to each side of the equation. -7 + 3x + -3x = 3x + -3x + 3x2 Combine like terms: 3x + -3x = 0 -7 + 0 = 3x + -3x + 3x2 -7 = 3x + -3x + 3x2 Combine like terms: 3x + -3x = 0 -7 = 0 + 3x2 -7 = 3x2 Solving -7 = 3x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x2' to each side of the equation. -7 + -3x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -7 + -3x2 = 0 Add '7' to each side of the equation. -7 + 7 + -3x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3x2 = 0 + 7 -3x2 = 0 + 7 Combine like terms: 0 + 7 = 7 -3x2 = 7 Divide each side by '-3'. x2 = -2.333333333 Simplifying x2 = -2.333333333 Reorder the terms: 2.333333333 + x2 = -2.333333333 + 2.333333333 Combine like terms: -2.333333333 + 2.333333333 = 0.000000000 2.333333333 + x2 = 0.000000000 The solution to this equation could not be determined.
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