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Simplifying 7 + -4 + -3 * 0 + 1 = 4 Multiply -3 * 0 7 + -4 + 0 + 1 = 4 Anything times zero is zero. 7 + -4 + 0 + 1 = 4 Combine like terms: 7 + -4 = 3 3 + 0 + 1 = 4 Combine like terms: 3 + 0 = 3 3 + 1 = 4 Combine like terms: 3 + 1 = 4 4 = 4 Add '-4' to each side of the equation. 4 + -4 = 4 + -4 Combine like terms: 4 + -4 = 0 0 = 4 + -4 Combine like terms: 4 + -4 = 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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