find the value of y in the solution
Stacey Warren - Expert brainly.com
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Any specific method?
I usually enjoy using substitution method, so you can take one of the equations isolate x and plug it in for x in the second variable. So |dw:1436097947141:dw|
Now we plug that in for x in the second equation |dw:1436098000135:dw| solve for y.
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while substitution method can be used, it creates fractions and could be harder to solve for y. The elimination method can get to solving y faster
we are given these equations
multiply the entire first equation by -2 and multiply the entire second equation by 5
After that.. add them together and solve for y
sorry I forgot... if we add these 2 equations together (after what I mentioned) the x variable should disappear.
5x = 3 - 4y
x = (3-4y)/5
put in 2nd eqyation:
2(3-4y)/5 +6y = 30
6-8y+30y = 150
22y = 144
y = 72/11
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