Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 2x-3(x+3)=-5
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Equation 5x+12=8x+30
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Equation 1/x^2-3/x-4=0
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Equation x^2=2x+8
- Express {x} in terms of y where:
- -13*x-7*y=16
- -13*x+7*y=-15
- -9*x+11*y=9
- 9*x+14*y=-10
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Identical expressions
- five (x+ four)+x= six
- 5(x plus 4) plus x equally 6
- five (x plus four) plus x equally six
- 5x+4+x=6
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Similar expressions
- 5(x+4)-x=6
- 5(x-4)+x=6
5(x+4)+x=6 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Expand brackets in the left part
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$6 x = -14$$
Divide both parts of the equation by 6
We get the answer: x = -7/3
5*(x+4)+x = 6
Expand brackets in the left part
5*x+5*4+x = 6
Looking for similar summands in the left part:
20 + 6*x = 6
Move free summands (without x)
from left part to right part, we given:
$$6 x = -14$$
Divide both parts of the equation by 6
x = -14 / (6)
We get the answer: x = -7/3
Sum and product of roots
[src]
sum
-7/3
$$- \frac{7}{3}$$
=
-7/3
$$- \frac{7}{3}$$
product
-7/3
$$- \frac{7}{3}$$
=
-7/3
$$- \frac{7}{3}$$
-7/3
The graph