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Simplifying 0.35(7 + 2x) = -0.135x (7 * 0.35 + 2x * 0.35) = -0.135x (2.45 + 0.7x) = -0.135x Solving 2.45 + 0.7x = -0.135x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.135x' to each side of the equation. 2.45 + 0.7x + 0.135x = -0.135x + 0.135x Combine like terms: 0.7x + 0.135x = 0.835x 2.45 + 0.835x = -0.135x + 0.135x Combine like terms: -0.135x + 0.135x = 0.000 2.45 + 0.835x = 0.000 Add '-2.45' to each side of the equation. 2.45 + -2.45 + 0.835x = 0.000 + -2.45 Combine like terms: 2.45 + -2.45 = 0.00 0.00 + 0.835x = 0.000 + -2.45 0.835x = 0.000 + -2.45 Combine like terms: 0.000 + -2.45 = -2.45 0.835x = -2.45 Divide each side by '0.835'. x = -2.934131737 Simplifying x = -2.934131737
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