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