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Simplifying 3 + -9(7x + 5) = 4 Reorder the terms: 3 + -9(5 + 7x) = 4 3 + (5 * -9 + 7x * -9) = 4 3 + (-45 + -63x) = 4 Combine like terms: 3 + -45 = -42 -42 + -63x = 4 Solving -42 + -63x = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42' to each side of the equation. -42 + 42 + -63x = 4 + 42 Combine like terms: -42 + 42 = 0 0 + -63x = 4 + 42 -63x = 4 + 42 Combine like terms: 4 + 42 = 46 -63x = 46 Divide each side by '-63'. x = -0.7301587302 Simplifying x = -0.7301587302
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