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Simplifying 7e + -7 = 42 Reorder the terms: -7 + 7e = 42 Solving -7 + 7e = 42 Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 7e = 42 + 7 Combine like terms: -7 + 7 = 0 0 + 7e = 42 + 7 7e = 42 + 7 Combine like terms: 42 + 7 = 49 7e = 49 Divide each side by '7'. e = 7 Simplifying e = 7
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