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Simplifying 7x2 + -9 = 7x2 + -49x Reorder the terms: -9 + 7x2 = 7x2 + -49x Reorder the terms: -9 + 7x2 = -49x + 7x2 Add '-7x2' to each side of the equation. -9 + 7x2 + -7x2 = -49x + 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 -9 + 0 = -49x + 7x2 + -7x2 -9 = -49x + 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 -9 = -49x + 0 -9 = -49x Solving -9 = -49x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49x' to each side of the equation. -9 + 49x = -49x + 49x Combine like terms: -49x + 49x = 0 -9 + 49x = 0 Add '9' to each side of the equation. -9 + 9 + 49x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 49x = 0 + 9 49x = 0 + 9 Combine like terms: 0 + 9 = 9 49x = 9 Divide each side by '49'. x = 0.1836734694 Simplifying x = 0.1836734694
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