Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2-7*x+10=0
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Equation 5x^2-8x+3=0
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Equation 3/5*y=29/10-1/5
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Equation -12x+11=-(2-x)
- Express {x} in terms of y where:
- 12*x-20*y=9
- -3*x-10*y=1
- -11*x+16*y=3
- 11*x-6*y=5
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Identical expressions
- 21x: four = three
- 21x:4 equally 3
- 21x: four equally three
21x:4=3 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Divide both parts of the equation by 21/4
We get the answer: x = 4/7
21*x/4 = 3
Divide both parts of the equation by 21/4
x = 3 / (21/4)
We get the answer: x = 4/7
Sum and product of roots
[src]
sum
4/7
$$\frac{4}{7}$$
=
4/7
$$\frac{4}{7}$$
product
4/7
$$\frac{4}{7}$$
=
4/7
$$\frac{4}{7}$$
4/7