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Simplifying 22.5 + 7(n + -3.4) = 22.5 + 7(n + -3.4) Reorder the terms: 22.5 + 7(-3.4 + n) = 22.5 + 7(n + -3.4) 22.5 + (-3.4 * 7 + n * 7) = 22.5 + 7(n + -3.4) 22.5 + (-23.8 + 7n) = 22.5 + 7(n + -3.4) Combine like terms: 22.5 + -23.8 = -1.3 -1.3 + 7n = 22.5 + 7(n + -3.4) Reorder the terms: -1.3 + 7n = 22.5 + 7(-3.4 + n) -1.3 + 7n = 22.5 + (-3.4 * 7 + n * 7) -1.3 + 7n = 22.5 + (-23.8 + 7n) Combine like terms: 22.5 + -23.8 = -1.3 -1.3 + 7n = -1.3 + 7n Add '1.3' to each side of the equation. -1.3 + 1.3 + 7n = -1.3 + 1.3 + 7n Combine like terms: -1.3 + 1.3 = 0.0 0.0 + 7n = -1.3 + 1.3 + 7n 7n = -1.3 + 1.3 + 7n Combine like terms: -1.3 + 1.3 = 0.0 7n = 0.0 + 7n 7n = 7n Add '-7n' to each side of the equation. 7n + -7n = 7n + -7n Combine like terms: 7n + -7n = 0 0 = 7n + -7n Combine like terms: 7n + -7n = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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