Mister Exam
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How to use it?
- Equation:
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Equation 5(x-4)=3x-10
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Equation |x|=-1
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Equation tan(x)=7
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Equation 6-3*(x+1)=7-2*x
- Express {x} in terms of y where:
- 13*x-1*y=-4
- -17*x+6*y=14
- -15*x-5*y=12
- -5*x+7*y=3
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Identical expressions
- 258x+2x- eighty = seven hundred
- 258x plus 2x minus 80 equally 700
- 258x plus 2x minus eighty equally seven hundred
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Similar expressions
- 258x-2x-80=700
- 258x+2x+80=700
258x+2x-80=700 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$260 x = 780$$
Divide both parts of the equation by 260
We get the answer: x = 3
258*x+2*x-80 = 700
Looking for similar summands in the left part:
-80 + 260*x = 700
Move free summands (without x)
from left part to right part, we given:
$$260 x = 780$$
Divide both parts of the equation by 260
x = 780 / (260)
We get the answer: x = 3
The graph