Mister Exam
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How to use it?
- Equation:
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Equation x^2+2x-3=0
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Equation x-6/5=-1
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Equation 1-2(5+3x)=15
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Equation x^2-6x+9=0
- Express {x} in terms of y where:
- 2*x+2*y=-6
- 12*x-13*y=-14
- 1*x+5*y=-11
- -11*x-15*y=14
- Sum of series:
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15
- Integral of d{x}:
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15
- Derivative of:
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15
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Identical expressions
- one - two (five +3x)= fifteen
- 1 minus 2(5 plus 3x) equally 15
- one minus two (five plus 3x) equally fifteen
- 1-25+3x=15
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Similar expressions
- 1+2(5+3x)=15
- 1-2(5-3x)=15
1-2(5+3x)=15 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
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$- 6 x = 24$$
Divide both parts of the equation by -6
We get the answer: x = -4
1-2*(5+3*x) = 15
Expand brackets in the left part
1-2*5-2*3*x = 15
Looking for similar summands in the left part:
-9 - 6*x = 15
Move free summands (without x)
from left part to right part, we given:
$$- 6 x = 24$$
Divide both parts of the equation by -6
x = 24 / (-6)
We get the answer: x = -4
The graph