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Mariana [72]
3 years ago
15

4/3x - 4 = 5 + x Please help with this problem

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

\text {Hello! To solve for x you must...}

\text {Simplify the Equation (KCC):}

\text {Keep: 4/3x}

\text {Change: - into +}

\text {Change: 4 into -4}

\text {Switch:}

\text {5+x changes into x+5}

\text {Your new problem should be 4/3x-4=x+5}

\text {The Next Step is to Subtract x:}

\text {4/3x-4-x=x+5-x}

\text {1/3-4=5}

\text {Next you would want to add 4}

\text {Q: Why would we add 4 instead of subtracting 4?}

\text {A: Because we need 4 to equal to 0. We will add 4 to cross out 4. So -4+4 will equal 0.}

\text {1/3-4+4=5+4}

\text {1/3x=9}

\text {Your Final Step will be to Multiply 3 on both sides:}

\text {Q: Why do we multiply 3?}

\text {A: Because if we multiply 1 it won't really equal to anything. So we multiply 3 to get x}\text {by itself.}

\text 3*(1/3x)=(3)*(9)

\text {Note: 3 makes the fraction cancel out. So now x is by itself.}

\text {Your Final Answer is...}

\fbox {x=27}

\text {Best of Luck!}

\text {-LimitedX}

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1.32:3 1/7 =(1.4y): 5/6
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After solving 1.32:3 \frac{1}{7}=(1.4y):\frac{5}{6}  we get y=0.24

Step-by-step explanation:

We need to solve the ratio: 1.32:3 \frac{1}{7}=(1.4y):\frac{5}{6} and find value of y

Solving:

1.32:3 \frac{1}{7}=(1.4y):\frac{5}{6}

Converting fractions into decimals

1.32:3.14=(1.4y):0.83

Ratio can be written as:

\frac{1.32}{3.14}=\frac{1.4y}{0.83}

Now cross multiply

1.32*0.83=1.4y*3.14

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y=\frac{1.09}{4.39}

y=0.24

So, after solving 1.32:3 \frac{1}{7}=(1.4y):\frac{5}{6}  we get y=0.24

Keywords: Ratio

Learn more about Ratios at:

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6 0
3 years ago
4% of _____ days is 56 days
schepotkina [342]
We have an equation: 56/? = 4/100

Cross multiply:
4*? = 56*100
⇒ ? = 56*100/4
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4% of 1,400 days is 56 days~
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Follow my Account.
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