Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+7=0
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Equation x+2=0
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Equation 2x=0
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Equation -15x=45
- Express {x} in terms of y where:
- -15*x-13*y=-20
- -15*x-19*y=2
- 4*x+4*y=13
- -4*x+14*y=-2
- Limit of the function:
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-7*x
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Identical expressions
- - seven *x= four
- minus 7 multiply by x equally 4
- minus seven multiply by x equally four
- -7x=4
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Similar expressions
- -7x+4=2x-14
- 7*x=4
-7*x=4 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 -7
We get the answer: x = -4/7
-7*x = 4
Divide both parts of the equation by -7
x = 4 / (-7)
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
The graph