Use the distributive property backwards.
xp+yp=z become p(x+y)=x, which solves to p=x/(x+y)
An Algebraic Expression
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Slope is 0. y-intercept is (0, 4/5)
Answer:
Step-by-step explanation:
x + y = 40
x>y
(11/2)y - (13/4)*x = - 25
x = 40 - y
(11/2)y - (13/4)(40-y) = - 25 multiply by 4
22y - 13( 40 - y) = - 100
22y - 520 + 13y = -400 Add 520
35y = 120
y = 120 / 35
y = 3 3/7
x = 40 - y
x = 36 4/7