Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -20+2x=18
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Equation 2*x^2+5*x-12=0
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Equation 5*x^2=35*x
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Equation 5=12-5(4x-1)
- Express {x} in terms of y where:
- 15*x+1*y=19
- -2*x+2*y=4
- 8*x-16*y=14
- 15*x-3*y=19
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Identical expressions
- two (y+ three)= twenty-one -3y
- 2(y plus 3) equally 21 minus 3y
- two (y plus three) equally twenty minus one minus 3y
- 2y+3=21-3y
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Similar expressions
- 2(y-3)=21-3y
- arctgx-ln((2*y+3)^(1/2))=0
- (1-3y)^2+2(1-3y)y-y^2=-1
- 2*(y+3,1)=-4/3
- (y-7)^2+y^2-12*y+36*pi*pi*y=3/2
- 12y+3=2y-7
- 2*1-3*y=9
- 2(y+3)=21+3y
2(y+3)=21-3y 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
Move free summands (without y)
from left part to right part, we given:
$$2 y = 15 - 3 y$$
Move the summands with the unknown y
from the right part to the left part:
$$5 y = 15$$
Divide both parts of the equation by 5
We get the answer: y = 3
2*(y+3) = 21-3*y
Expand brackets in the left part
2*y+2*3 = 21-3*y
Move free summands (without y)
from left part to right part, we given:
$$2 y = 15 - 3 y$$
Move the summands with the unknown y
from the right part to the left part:
$$5 y = 15$$
Divide both parts of the equation by 5
y = 15 / (5)
We get the answer: y = 3
The graph