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Simplifying (3 + 7x) + -7x + 5 = 0 Remove parenthesis around (3 + 7x) 3 + 7x + -7x + 5 = 0 Reorder the terms: 3 + 5 + 7x + -7x = 0 Combine like terms: 3 + 5 = 8 8 + 7x + -7x = 0 Combine like terms: 7x + -7x = 0 8 + 0 = 0 8 = 0 Solving 8 = 0 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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