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WEBSITE: http://www.teachertube.com Solving Systems with 3 variables
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How do I solve for x? 9x3(x+5)=5x+9+3x
9x3x15=5x+9+3x 6x15=8x+9 2x=24 x= 12 snapchat emojis

If a person can swim 2.3 mph, how long does it take to swim 5 miles?
I think it's 2 hours, 10 minutes, and 26 seconds.
We know that: d = rt
So, 5 = 2.3t t = 5/2.3 t = 2.173913043
So, 2 hours and a decimal remainder we need to convert to minutes ...

How to solved this problem? 5•23(53)+2•3
This content is written very well. Your use of formatting when making your points makes your observations very clear and easy to understand. lenny face

Solve using elimation. Can you please help me? X2+2z=7 y+z= 1 X= 2y+3z
we have y + z = 1 => z=1y. We have X= 2y+3z replace y and x in X2+2z=7 2(1z)+3z2+2z=7 <=> 3z=7 <=> z=7/3 y=1+7/3=10 ...