Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -7x=4
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Equation x^2-6=0
- Equation x^2-x-90=0
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Equation -9x=36
- Express {x} in terms of y where:
- -6*x-11*y=-20
- -15*x+7*y=1
- -10*x+4*y=3
- -8*x-16*y=-1
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Identical expressions
- -7x= four
- minus 7x equally 4
- minus 7x equally four
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Similar expressions
- (x-7)*(x+4,5)*(x-4/9)=0
- -x=6-7(x-3)
- 7x=4
- x^6=-(7x+10)^3
-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