Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 3*x=12
- Equation x^2+p*x+q=0
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Equation 4,3x-3,5=2,5x+1,9
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Equation sin(x)=5/2
- Express {x} in terms of y where:
- -12*x+10*y=2
- -11*x-15*y=-7
- -6*x-6*y=-20
- -9*x-10*y=-20
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Identical expressions
- one , eight (x- fifty)= zero ,8x
- 1,8(x minus 50) equally 0,8x
- one , eight (x minus fifty) equally zero ,8x
- 1,8x-50=0,8x
- 1,8(x-50)=O,8x
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Similar expressions
- 0,8(x-2)-0,7(x-1)=2,7
- 0,8*x-2-0,7*x-1=2,7
- 1,8(x+50)=0,8x
- 0,3(8-3x)=3,2-0,8(x-7)
1,8(x-50)=0,8x equation
The teacher will be very surprised to see your correct solution 😉
The solution
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9*(x - 50) 4*x
---------- = ---
5 5
$$\frac{9 \left(x - 50\right)}{5} = \frac{4 x}{5}$$
Detail solution
Given the linear equation:
Expand brackets in the left part
Expand brackets in the right part
Move free summands (without x)
from left part to right part, we given:
$$\frac{9 x}{5} = \frac{4 x}{5} + 90$$
Move the summands with the unknown x
from the right part to the left part:
$$x = 90$$
We get the answer: x = 90
(9/5)*(x-50) = (4/5)*x
Expand brackets in the left part
9/5x-50 = (4/5)*x
Expand brackets in the right part
9/5x-50 = 4/5x
Move free summands (without x)
from left part to right part, we given:
$$\frac{9 x}{5} = \frac{4 x}{5} + 90$$
Move the summands with the unknown x
from the right part to the left part:
$$x = 90$$
We get the answer: x = 90