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Simplifying -42 + 12n = -2(-6n + 10) + -2 Reorder the terms: -42 + 12n = -2(10 + -6n) + -2 -42 + 12n = (10 * -2 + -6n * -2) + -2 -42 + 12n = (-20 + 12n) + -2 Reorder the terms: -42 + 12n = -20 + -2 + 12n Combine like terms: -20 + -2 = -22 -42 + 12n = -22 + 12n Add '-12n' to each side of the equation. -42 + 12n + -12n = -22 + 12n + -12n Combine like terms: 12n + -12n = 0 -42 + 0 = -22 + 12n + -12n -42 = -22 + 12n + -12n Combine like terms: 12n + -12n = 0 -42 = -22 + 0 -42 = -22 Solving -42 = -22 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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