Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+11*x+30=0
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Equation 6*(2x+3)-4*(2x-4)=0
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Equation -7x-40=3x
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Equation 6*cos(x)^(2)+5*sin(x)-7=0
- Express {x} in terms of y where:
- 1*x-3*y=5
- -5*x+12*y=14
- 2*x-19*y=0
- 2*x-18*y=-19
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Identical expressions
- two / seven *x= three
- 2 divide by 7 multiply by x equally 3
- two divide by seven multiply by x equally three
- 2/7x=3
- 2 divide by 7*x=3
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Similar expressions
- 2/7x=-523/14
- 2/7x=-51/7
- -2/7x=2/7x
2/7*x=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 2/7
We get the answer: x = 21/2
2/7*x = 3
Divide both parts of the equation by 2/7
x = 3 / (2/7)
We get the answer: x = 21/2
Sum and product of roots
[src]
sum
21/2
$$\frac{21}{2}$$
=
21/2
$$\frac{21}{2}$$
product
21/2
$$\frac{21}{2}$$
=
21/2
$$\frac{21}{2}$$
21/2
The graph