2/3x + 5 = x/4 -7 1/2
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Answer:
What is the solution for the equation 5/2(x+1)=3/(x+2)?
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What is the solution for the equation 5/2(x+1)=3/(x+2)?
52(x+1)=3x+2∣⋅(x+2)
52(x+1)(x+2)=3∣÷52
(x+1)(x+2)=65 ∣ expand
x2+3x+2=65∣−65
x2+3x+45=0
x=−3±32−4⋅145√2⋅1=
−3±295√2=
−3±145√52=
−15±145√52=
−15±145√10
(this actually how answers it)
So if you use these systems keep to strict bracketing rules:
5/(2(x+1))=3/(x+2)
52(x+1)=3x+2 ∣ flip
2(x+1)5=x+23∣⋅15
6(x+1)=5(x+2) ∣ expand
6x+6=5x+10∣−5x−6
x=4
Also agrees.
What is the solution of this 3.2^x/2 - 7.2x/4=20 equation?
What is the solution to the equation 1/2x + 3/2(x+1) - 1/4 = 5?
How do I solve this equation (x+2) (2x+1) (3x+5) (6x+1) +2=0?
How would you solve x(x+1)(x+2)(x+3)=x(x+1)(x+2)(x+3)(x+4)?
What is the value of x when 2x + 5 = 3x?
First, you need to eliminate the denominators by multiplying all terms by the lowest common denominator.
In this case the LCD is 2(x+1)(x+2). Then, cancel out like terms in each numerator and denominator.
You are left with the following:
5(x+2) = 2(x+1)*3
Perform the multiplication on the right:
5(x+2) = 6(x+1)
Next, use the FOIL method to distribute terms:
5x+10 = 6x+6
Subtract 5x from both sides:
10 = x + 6
Subtract 6 from both sides:
x = 4
Now substitute for x in the original equation to prove this is correct:
5/2(x+1) = 3/(x+2)
x = 4
5/2(4+1) = 3/(4+2)
5/2(5) = 3/(6)
5/10 = 3/6
Reduce both fr
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Using componendo dividendo,
52x+2=3x+2⇒3x+2=2x⇒2x=12⇒x=4
What is the solution of this 3.2^x/2 - 7.2x/4=20 equation?
What is the solution to the equation 1/2x + 3/2(x+1) - 1/4 = 5?
How do I solve this equation (x+2) (2x+1) (3x+5) (6x+1) +2=0?
How would you solve x(x+1)(x+2)(x+3)=x(x+1)(x+2)(x+3)(x+4)?
What is the value of x when 2x + 5 = 3x?
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