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Simplifying 390 = -6(7x + 19) Reorder the terms: 390 = -6(19 + 7x) 390 = (19 * -6 + 7x * -6) 390 = (-114 + -42x) Solving 390 = -114 + -42x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42x' to each side of the equation. 390 + 42x = -114 + -42x + 42x Combine like terms: -42x + 42x = 0 390 + 42x = -114 + 0 390 + 42x = -114 Add '-390' to each side of the equation. 390 + -390 + 42x = -114 + -390 Combine like terms: 390 + -390 = 0 0 + 42x = -114 + -390 42x = -114 + -390 Combine like terms: -114 + -390 = -504 42x = -504 Divide each side by '42'. x = -12 Simplifying x = -12
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