Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+4*x-5=0
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Equation 2*sin(x)=1
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Equation 5x+8=-12
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Equation x/9+x=-3
- Express {x} in terms of y where:
- -12*x-2*y=-15
- 1*x+11*y=-3
- -2*x+2*y=4
- 8*x-16*y=14
- Integral of d{x}:
- |x+4|
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-3
- Graphing y =:
- |x+4|
- Sum of series:
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-3
- Derivative of:
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-3
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Identical expressions
- |x+ four |=- three
- module of x plus 4| equally minus 3
- module of x plus four | equally minus three
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Similar expressions
- |x+4|=+3
- |x-4|=-3
|x+4|=-3 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
For every modulo expressions in the equation
allow cases, when this expressions ">=0" or "<0",
solve the resulting equation.
1.
or
we get the equation
after simplifying we get
the solution in this interval:
but x1 not in the inequality interval
2.
or
we get the equation
after simplifying we get
the solution in this interval:
but x2 not in the inequality interval
The final answer:
allow cases, when this expressions ">=0" or "<0",
solve the resulting equation.
1.
or
we get the equation
after simplifying we get
the solution in this interval:
but x1 not in the inequality interval
2.
or
we get the equation
after simplifying we get
the solution in this interval:
but x2 not in the inequality interval
The final answer:
The graph