Mister Exam
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How to use it?
- Equation:
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Equation 4x-x^2=x^2-x+3
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Equation (x-4)/x=(2*x+10)/(x+4)
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Equation x+1/3=x-1/2
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Equation x-4=-2x+8
- Express {x} in terms of y where:
- -10*x+8*y=-12
- -20*x-20*y=-18
- -17*x+6*y=-6
- -13*x+4*y=7
- Graphing y =:
- x-4
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-2x+8
- Integral of d{x}:
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x-4
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-2x+8
- Derivative of:
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x-4
- Canonical form:
- -2x+8
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Identical expressions
- x- four =-2x+ eight
- x minus 4 equally minus 2x plus 8
- x minus four equally minus 2x plus eight
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Similar expressions
- (x+2)^2=(3x-2)*(x+8)
- 2*x^2-2*x+8=0
- (log(7)/log(x^2-2*x+8))=1
- x+4=-2x+8
- x-4=-2x-8
- x-4=+2x+8
x-4=-2x+8 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Move free summands (without x)
from left part to right part, we given:
$$x = 12 - 2 x$$
Move the summands with the unknown x
from the right part to the left part:
$$3 x = 12$$
Divide both parts of the equation by 3
We get the answer: x = 4
x-4 = -2*x+8
Move free summands (without x)
from left part to right part, we given:
$$x = 12 - 2 x$$
Move the summands with the unknown x
from the right part to the left part:
$$3 x = 12$$
Divide both parts of the equation by 3
x = 12 / (3)
We get the answer: x = 4
The graph