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Simplifying 2(3.5) = 2.5n + -2 Multiply 2 * 3.5 7 = 2.5n + -2 Reorder the terms: 7 = -2 + 2.5n Solving 7 = -2 + 2.5n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2.5n' to each side of the equation. 7 + -2.5n = -2 + 2.5n + -2.5n Combine like terms: 2.5n + -2.5n = 0.0 7 + -2.5n = -2 + 0.0 7 + -2.5n = -2 Add '-7' to each side of the equation. 7 + -7 + -2.5n = -2 + -7 Combine like terms: 7 + -7 = 0 0 + -2.5n = -2 + -7 -2.5n = -2 + -7 Combine like terms: -2 + -7 = -9 -2.5n = -9 Divide each side by '-2.5'. n = 3.6 Simplifying n = 3.6
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