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Simplifying 3.5 + -2x = 6.86 + -9x Solving 3.5 + -2x = 6.86 + -9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9x' to each side of the equation. 3.5 + -2x + 9x = 6.86 + -9x + 9x Combine like terms: -2x + 9x = 7x 3.5 + 7x = 6.86 + -9x + 9x Combine like terms: -9x + 9x = 0 3.5 + 7x = 6.86 + 0 3.5 + 7x = 6.86 Add '-3.5' to each side of the equation. 3.5 + -3.5 + 7x = 6.86 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + 7x = 6.86 + -3.5 7x = 6.86 + -3.5 Combine like terms: 6.86 + -3.5 = 3.36 7x = 3.36 Divide each side by '7'. x = 0.48 Simplifying x = 0.48
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