Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+2x+1=0
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Equation 3x^2=2x+x^3
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Equation cos(x)+1=0
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Equation x^2+20*x+100=0
- Express {x} in terms of y where:
- -15*x+18*y=-6
- -2*x+1*y=-3
- -18*x-18*y=-16
- -16*x-7*y=-20
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Identical expressions
- 18x+ nine =19x+ thirteen
- 18x plus 9 equally 19x plus 13
- 18x plus nine equally 19x plus thirteen
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Similar expressions
- 18x+9=19x-13
- 18x-9=19x+13
18x+9=19x+13 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:
$$18 x = 19 x + 4$$
Move the summands with the unknown x
from the right part to the left part:
$$- x = 4$$
Divide both parts of the equation by -1
We get the answer: x = -4
18*x+9 = 19*x+13
Move free summands (without x)
from left part to right part, we given:
$$18 x = 19 x + 4$$
Move the summands with the unknown x
from the right part to the left part:
$$- x = 4$$
Divide both parts of the equation by -1
x = 4 / (-1)
We get the answer: x = -4