Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 49*x^3+14*x^2+x=0
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Equation 9^x-8*3^x-9=0
- Equation x+y=4
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Equation x^2=-3
- Express {x} in terms of y where:
- 18*x+17*y=-14
- 16*x-17*y=-15
- -4*x-4*y=19
- 15*x+1*y=19
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Identical expressions
- x-(x/ eleven)=(forty / eleven)
- x minus (x divide by 11) equally (40 divide by 11)
- x minus (x divide by eleven) equally (forty divide by eleven)
- x-x/11=40/11
- x-(x divide by 11)=(40 divide by 11)
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Similar expressions
- 240/11-60x/11=0
- x+(x/11)=(40/11)
x-(x/11)=(40/11) equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Expand brackets in the left part
Expand brackets in the right part
Looking for similar summands in the left part:
Divide both parts of the equation by 10/11
We get the answer: x = 4
x-(x/11) = (40/11)
Expand brackets in the left part
x-x/11 = (40/11)
Expand brackets in the right part
x-x/11 = 40/11
Looking for similar summands in the left part:
10*x/11 = 40/11
Divide both parts of the equation by 10/11
x = 40/11 / (10/11)
We get the answer: x = 4