How to solve C. Write an equation where y varies directly as x . y = 28 when x = 7 2. y = 30 when x = 8 3. y = 0.7 when x = 0.4 6. y = 63 when x = 81 7. y = 200 when x = 300 8. y = 1 and x = 2 9. y = 48 and x = 6 4. y = 0.8 when x = 0.5 10. y = 10 and x = 24 5. y = 400 when x = 25

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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