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Mathematics 9 Online
OpenStudy (anonymous):

Solve the system of equations by substitution: 3y- 4x=-1 y-5x=-15 * Please show your work.

OpenStudy (campbell_st):

rewrite the 2nd equation y = 5x - 15 substitute into the 1st 3(5x - 15) -4x = -1 15x - 45 - 4x = -1 11x = 44 x = 4 now substitute x = 4 into either equation to find y

OpenStudy (anonymous):

Thanks I have struggled with math for years!

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