Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 2(8x-7)=18-4(5-4x)
-
Equation cos(2x)=1/2
-
Equation cos(x)/3=-1
-
Equation 2cosx-1=0
- Express {x} in terms of y where:
- sqrt(1-x)^2+(4-y)^2=0
- lnx+sin(y/x+2x)=4
- cos(x-y)+(4-y)/(x^2)+ln(1-x^2)+tg2y+2=0
- y^t=(y/x)^2+(y/x)+4
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Identical expressions
- twenty *x+ sixty =-15x- twelve
- 20 multiply by x plus 60 equally minus 15x minus 12
- twenty multiply by x plus sixty equally minus 15x minus twelve
- 20x+60=-15x-12
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Similar expressions
- 20*x+60=-15x+12
- 20*x+60=+15x-12
- 20*x-60=-15x-12
20*x+60=-15x-12 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:
$$20 x = - 15 x - 72$$
Move the summands with the unknown x
from the right part to the left part:
$$35 x = -72$$
Divide both parts of the equation by 35
We get the answer: x = -72/35
20*x+60 = -15*x-12
Move free summands (without x)
from left part to right part, we given:
$$20 x = - 15 x - 72$$
Move the summands with the unknown x
from the right part to the left part:
$$35 x = -72$$
Divide both parts of the equation by 35
x = -72 / (35)
We get the answer: x = -72/35
Sum and product of roots
[src]
sum
-72 ---- 35
$$- \frac{72}{35}$$
=
-72 ---- 35
$$- \frac{72}{35}$$
product
-72 ---- 35
$$- \frac{72}{35}$$
=
-72 ---- 35
$$- \frac{72}{35}$$
-72/35