Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation cos(x)-1=0
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Equation 3*x=0
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Equation x+5=7
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Equation 16*x^3+8*x^2+x=0
- Express {x} in terms of y where:
- 19*x+2*y=17
- 8*x-9*y=-1
- 13*x-1*y=-20
- 9*x+8*y=-4
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Identical expressions
- -7x= four
- minus 7x equally 4
- minus 7x equally four
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Similar expressions
- 7^x-7^(x-1)=6
- -7*x=4
- 7x=4
-7x=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