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OpenStudy (anonymous):
5. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -x – 8y = 43 4x + 32y = 172
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OpenStudy (anonymous):
-x-8y=43(1) X+8y=43 4x+32y=172 5x+40y=215 9x+72y=215
OpenStudy (jlastino):
Hint: Multiply the first equation by 4 and let's see what happens when you add the two equations
OpenStudy (jlastino):
Dude when you solve by elimination method, you multiply a number that, when you add/subtract it to another equation, would eliminate a variable from the given equations
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