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Simplifying 7(x + -6.9) = 4.2 Reorder the terms: 7(-6.9 + x) = 4.2 (-6.9 * 7 + x * 7) = 4.2 (-48.3 + 7x) = 4.2 Solving -48.3 + 7x = 4.2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '48.3' to each side of the equation. -48.3 + 48.3 + 7x = 4.2 + 48.3 Combine like terms: -48.3 + 48.3 = 0.0 0.0 + 7x = 4.2 + 48.3 7x = 4.2 + 48.3 Combine like terms: 4.2 + 48.3 = 52.5 7x = 52.5 Divide each side by '7'. x = 7.5 Simplifying x = 7.5
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