Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^4=(3x-10)^2
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Equation 7x-3=2x+1
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Equation x^2-9*x=0
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Equation (x-5)(2x+8)=0
- Express {x} in terms of y where:
- 12*x-18*y=-14
- -20*x+12*y=2
- 13*x+7*y=-14
- -4*x-2*y=1
- Graphing y =:
- 2x+1
- Derivative of:
- 2x+1
- Canonical form:
- 2x+1
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Identical expressions
- 7x- three =2x+ one
- 7x minus 3 equally 2x plus 1
- 7x minus three equally 2x plus one
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Similar expressions
- 15(-17x)-3(-4x-10)=-1977
- -4x+2(x+1)-(3-x)=7x-3
- 2^x+2^x+1=6
- x^2+7*x-38.96=0
- 7x-3=2x-1
- 7x+3=2x+1
7x-3=2x+1 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:
$$7 x = 2 x + 4$$
Move the summands with the unknown x
from the right part to the left part:
$$5 x = 4$$
Divide both parts of the equation by 5
We get the answer: x = 4/5
7*x-3 = 2*x+1
Move free summands (without x)
from left part to right part, we given:
$$7 x = 2 x + 4$$
Move the summands with the unknown x
from the right part to the left part:
$$5 x = 4$$
Divide both parts of the equation by 5
x = 4 / (5)
We get the answer: x = 4/5
Sum and product of roots
[src]
sum
4/5
$$\frac{4}{5}$$
=
4/5
$$\frac{4}{5}$$
product
4/5
$$\frac{4}{5}$$
=
4/5
$$\frac{4}{5}$$
4/5
The graph