Mister Exam
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How to use it?
- Equation:
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Equation (x+4)^4+(x+4)^2-20=0
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Equation -20*(x-13)=-220
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Equation 3^x=2
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Equation 12-x=x
- Express {x} in terms of y where:
- 18*x+19*y=7
- 2*x+18*y=20
- 1*x+6*y=6
- 20*x+9*y=17
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Identical expressions
- -(four -y)+ two *y+ one = zero
- minus (4 minus y) plus 2 multiply by y plus 1 equally 0
- minus (four minus y) plus two multiply by y plus one equally zero
- -(4-y)+2y+1=0
- -4-y+2y+1=0
- -(4-y)+2*y+1=O
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Similar expressions
- -(4+y)+2*y+1=0
- -(4-y)+2*y-1=0
- (4-y)+2*y+1=0
- -(4-y)-2*y+1=0
- -(4-y)+2y+1=0
-(4-y)+2*y+1=0 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 y)
from left part to right part, we given:
$$3 y = 3$$
Divide both parts of the equation by 3
We get the answer: y = 1
-(4-y)+2*y+1 = 0
Expand brackets in the left part
-4+y+2*y+1 = 0
Looking for similar summands in the left part:
-3 + 3*y = 0
Move free summands (without y)
from left part to right part, we given:
$$3 y = 3$$
Divide both parts of the equation by 3
y = 3 / (3)
We get the answer: y = 1
The graph