X = 1 - y & 3x = 8 - 5y ; Find x
Plug in x into the second equation.
3x = 8 - 5y
3(1 - y) = 8 - 5y
Simplify.
3 - 3y = 8 - 5y
Add 5y to both sides.
3 - 3y + 5y = 8
Subtract 3 from both sides.
-3y + 5y = 8 - 3
Simplify.
2y = 5
Divide both sides by 2.
y = 5/2
Now, since you have the value of y, you simply plug y into the first equation.
x = 1 - y
x = 1 - 5/2
Simplify.
x = 1 - 2 1/2
Simplify.
x = -2/2 - 5/2
Simplify.
x = -7/2 AND -3 1/2
~Hope I helped!~
Answer:
whats the problem
Step-by-step explanation:
270 (miles) / 6 (hrs) = 45 miles per hr
in 13 hrs.....45 * 13 = 585 miles <==
Answer:
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