Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2-7*x+5=0
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Equation 2(y+3)=21-3y
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Equation 6*x^2-18=0
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Equation (-5x+3)*(-x+6)=0
- Express {x} in terms of y where:
- 9*x-8*y=-6
- -18*x+16*y=4
- 4*x+8*y=-16
- -15*x-3*y=7
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Identical expressions
- two ,5x+ twelve =2x- thirteen
- 2,5x plus 12 equally 2x minus 13
- two ,5x plus twelve equally 2x minus thirteen
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Similar expressions
- 2,5x+12=2x+13
- x^2-2*x-13=2/x-1/x^2
- 3^(x-1)+2^(x-1)*3^(x)+2^(x-1)*6^(x)=1
- 2*x^-2-2*x-13/2=0
- 2,5x-12=2x-13
2,5x+12=2x-13 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
Move free summands (without x)
from left part to right part, we given:
$$\frac{5 x}{2} = 2 x - 25$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{x}{2} = -25$$
Divide both parts of the equation by 1/2
We get the answer: x = -50
(5/2)*x+12 = 2*x-13
Expand brackets in the left part
5/2x+12 = 2*x-13
Move free summands (without x)
from left part to right part, we given:
$$\frac{5 x}{2} = 2 x - 25$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{x}{2} = -25$$
Divide both parts of the equation by 1/2
x = -25 / (1/2)
We get the answer: x = -50
The graph