Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation cos(x)=(-1/2)
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Equation sin(x-1)=0
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Equation sin(x)=-3/2
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Equation 5x-25+2x²=17+13x
- Express {x} in terms of y where:
- xy^1=y+x*sin(y/x)
- sqrt(x)*sin(y/x)=0
- 12*10^(-30)-0,1884*10^12*x^2-y(0,3768*10^12*x+1,183152*10^12*x^3)+y^2(2,760688*10^24*x^2)=0=0
- (x^2+y^2)×(x+y-3)=2xy
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Identical expressions
- two x- one . eight (x- three)=- three .2
- 2x minus 1.8(x minus 3) equally minus 3.2
- two x minus one . eight (x minus three) equally minus three .2
- 2x-1.8x-3=-3.2
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Similar expressions
- 2x-1.8(x-3)=+3.2
- -(3.2-x)=6*(0.3-x)-(3x-5)
- 2x-1.8(x+3)=-3.2
- 2x+1.8(x-3)=-3.2
2x-1.8(x-3)=-3.2 equation
The teacher will be very surprised to see your correct solution 😉
The solution
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9*(x - 3)
2*x - --------- = -16/5
5
$$2 x - \frac{9 \left(x - 3\right)}{5} = - \frac{16}{5}$$
Detail solution
Given the linear equation:
Expand brackets in the left part
Expand brackets in the right part
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$\frac{x}{5} = - \frac{43}{5}$$
Divide both parts of the equation by 1/5
We get the answer: x = -43
2*x-(9/5)*(x-3) = -(16/5)
Expand brackets in the left part
2*x-9/5x-3 = -(16/5)
Expand brackets in the right part
2*x-9/5x-3 = -16/5
Looking for similar summands in the left part:
27/5 + x/5 = -16/5
Move free summands (without x)
from left part to right part, we given:
$$\frac{x}{5} = - \frac{43}{5}$$
Divide both parts of the equation by 1/5
x = -43/5 / (1/5)
We get the answer: x = -43