SOLUTION: Solve the following equations.
three fourths x MINUS two fifths x = 2
7/x MINUS 1/x-3 = 9/x squared - 3x
Algebra.Com
Question 117227: Solve the following equations.
three fourths x MINUS two fifths x = 2
7/x MINUS 1/x-3 = 9/x squared - 3x
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
3/4X-2/5X=2
3X/4-2X/5=2 COMBINE THESE FRACTIONS BY FINDING A COMMON DENOMINATOR.
4*5=20 LOOKS LIKE A COMMON DENOMINATOR.
[5(3X)-4(2X)]/20=2
(15X-8X)/20=2
7X/20=2 NOW CROSS MULTIPLY.
7X=40
X=40/7 ANSWER.
3/4*40/7-2/5*40/7=2
120/28-80/35=2
(120*35-80*28)/980=2
(4200-2240)/980=2
1960/980=2
2=2
RELATED QUESTIONS
Solve for x the following quadratic equations by factoring
X squared minus 5x minus... (answered by TimothyLamb)
how can I factor these following equations?
1. X to the fourth power minus X squared... (answered by t0hierry)
Factor x squared minus 9 over 3x minus... (answered by elima,smik)
X squared minus 3x minus 17=... (answered by Fombitz)
simplify the following expression as far as possible:
two x squared minus ( x plus... (answered by ankor@dixie-net.com)
x squared minus 3x =... (answered by vleith)
x squared minus 3x =... (answered by checkley77)
Perform the indicated operation.
1) x squared OVER x-3 MINUS 9 OVER x-3
2) x... (answered by MathLover1)
What is the simplified form of x minus 5 over x squared minus 3x minus 10⋅ x plus 2... (answered by josgarithmetic)