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Simplifying 7x2 + -3 = 4 Reorder the terms: -3 + 7x2 = 4 Solving -3 + 7x2 = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 7x2 = 4 + 3 Combine like terms: -3 + 3 = 0 0 + 7x2 = 4 + 3 7x2 = 4 + 3 Combine like terms: 4 + 3 = 7 7x2 = 7 Divide each side by '7'. x2 = 1 Simplifying x2 = 1 Take the square root of each side: x = {-1, 1}
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