Mister Exam
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How to use it?
- Equation:
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Equation -x/12+x=55/12
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Equation x^2-2x+5=0
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Equation cos(x)=2/3
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Equation 4x+1=-3x+15
- Express {x} in terms of y where:
- -4*x+6*y=-7
- 2*x+3*y=14
- 18*x-8*y=-2
- 10*x-16*y=-6
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Identical expressions
- eleven *x- nine = four *x+ nineteen
- 11 multiply by x minus 9 equally 4 multiply by x plus 19
- eleven multiply by x minus nine equally four multiply by x plus nineteen
- 11x-9=4x+19
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Similar expressions
- 11*x+9=4*x+19
- 9(x-9)+11(x-11)-2(x-11)(x-9)=0
- 3x+5=-4x+19
- 11x-9=4x+16
- 11*x-(9/5)=7*x+(7/5)
- (6x-24)*(x+19)=0
- 11*x-9=4*x-19
11*x-9=4*x+19 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:
$$11 x = 4 x + 28$$
Move the summands with the unknown x
from the right part to the left part:
$$7 x = 28$$
Divide both parts of the equation by 7
We get the answer: x = 4
11*x-9 = 4*x+19
Move free summands (without x)
from left part to right part, we given:
$$11 x = 4 x + 28$$
Move the summands with the unknown x
from the right part to the left part:
$$7 x = 28$$
Divide both parts of the equation by 7
x = 28 / (7)
We get the answer: x = 4
The graph