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JamesWolfBest ResponseYou've already chosen the best response.2
so for the first triangle perimeter, p1, is ; p1 = 2y + x = 14 for the second triangle perimeter, p2, is; p2 = (5/4)y + (5/4) y + 3x = 21 p2 = (5/2)y + 3x so you need to solve the simultaneous equations 2y + x = 14 (5/2)y + 3x
 one year ago

JamesWolfBest ResponseYou've already chosen the best response.2
the bottom one should be (5/2)y + 3x = 21
 one year ago

ValentinaTBest ResponseYou've already chosen the best response.0
Okay, how would I solve those?
 one year ago

JamesWolfBest ResponseYou've already chosen the best response.2
you need to get just one variable in an equation first. So i would eliminate the x's by multiplying the top equation by 3. Now both equations have "3x" and you can subtract the top equation from the bottom to get a formula with just y's.
 one year ago

JamesWolfBest ResponseYou've already chosen the best response.2
then you can solve that to find the value of y, plug it back in the original equation and you can find out x
 one year ago
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