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Mathematics 15 Online
OpenStudy (anonymous):

add or subtract the polynomials, gather like terms and write the simplified expression in standard form. (7x - 3y) - 4(3x-5y)

OpenStudy (campbell_st):

so the problem is \[7x - 3y - (4\times3)x + (4\times5)y\] then collect like terms

OpenStudy (anonymous):

7x-3y -12x + 20y = -5x + 17y

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