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Simplifying Algebraic Expressions Simplify by using the distributive property and combining like terms. `(9x+8)+(-2x-1) = `
`(5x-5)-(9x+8) = `
`-7(-2x-1)+4x = `
`-4(-2x-1)+(3x^2-9x+1) = `
`7x+7`
`-4x-13`
`18x+7`
`3x^2-x+5`