Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2-7*x+10=0
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Equation x^2-18=7*x
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Equation x^2+9=0
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Equation -7x=4
- Express {x} in terms of y where:
- 17*x-19*y=-12
- 13*x-1*y=-20
- -6*x-11*y=-20
- -15*x+7*y=1
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Identical expressions
- eight (four +y)-4y=5y- sixty-three
- 8(4 plus y) minus 4y equally 5y minus 63
- eight (four plus y) minus 4y equally 5y minus sixty minus three
- 84+y-4y=5y-63
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Similar expressions
- 8(4+y)-4y=5y+63
- 8(4-y)-4y=5y-63
- 8(4+y)+4y=5y-63
8(4+y)-4y=5y-63 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:
$$4 y = 5 y - 95$$
Move the summands with the unknown y
from the right part to the left part:
$$- y = -95$$
Divide both parts of the equation by -1
We get the answer: y = 95
8*(4+y)-4*y = 5*y-63
Expand brackets in the left part
8*4+8*y-4*y = 5*y-63
Looking for similar summands in the left part:
32 + 4*y = 5*y-63
Move free summands (without y)
from left part to right part, we given:
$$4 y = 5 y - 95$$
Move the summands with the unknown y
from the right part to the left part:
$$- y = -95$$
Divide both parts of the equation by -1
y = -95 / (-1)
We get the answer: y = 95