Mister Exam
Other calculators
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How to use it?
- Equation:
- Equation x-y=7
-
Equation 1/(x-1)^2+2/(x-1)-3=0
-
Equation 1/(x+6)=2
-
Equation (x-4)^2-x^2=0
- Express {x} in terms of y where:
- 7*x-1*y=-7
- 10*x-15*y=16
- -14*x-12*y=5
- 13*x-12*y=19
- Graphing y =:
- -7*x+3
-
Identical expressions
- - seven *x+ three = thirty - two *x
- minus 7 multiply by x plus 3 equally 30 minus 2 multiply by x
- minus seven multiply by x plus three equally thirty minus two multiply by x
- -7x+3=30-2x
-
Similar expressions
- 3x^4-7x^2-7x+3=0
- -7*x+3=30+2*x
- 7*x+3=30-2*x
- -7*x-3=30-2*x
- -7x+5=30-2x
- -7x=3=30-2x
- 4(x-8)i-7(x+3)=0
- -7x+3=30-2x
- √30-2x=4
-7*x+3=30-2*x 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:
$$- 7 x = 27 - 2 x$$
Move the summands with the unknown x
from the right part to the left part:
$$- 5 x = 27$$
Divide both parts of the equation by -5
We get the answer: x = -27/5
-7*x+3 = 30-2*x
Move free summands (without x)
from left part to right part, we given:
$$- 7 x = 27 - 2 x$$
Move the summands with the unknown x
from the right part to the left part:
$$- 5 x = 27$$
Divide both parts of the equation by -5
x = 27 / (-5)
We get the answer: x = -27/5
Sum and product of roots
[src]
sum
0 - 27/5
$$- \frac{27}{5} + 0$$
=
-27/5
$$- \frac{27}{5}$$
product
1*-27/5
$$1 \left(- \frac{27}{5}\right)$$
=
-27/5
$$- \frac{27}{5}$$
-27/5
The graph