Mister Exam
Other calculators
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How to use it?
- Equation:
- Equation x+y=15
-
Equation x^2-8*x-9=0
-
Equation x^2-15=2*x
-
Equation sin(x)+cos(x)=0,5
- Express {x} in terms of y where:
- 12*x+10*y=14
- -18*x+2*y=12
- -14*x-10*y=16
- 8*x-11*y=18
-
Identical expressions
- (twelve +3x)-(seven -6x)=5x- eleven
- (12 plus 3x) minus (7 minus 6x) equally 5x minus 11
- (twelve plus 3x) minus (seven minus 6x) equally 5x minus eleven
- 12+3x-7-6x=5x-11
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Similar expressions
- (2/3)^(8*x-3)=(3/2)^(25*x-11)
- (12-3x)-(7-6x)=5x-11
- 5*x-11=2*x+7
- (12+3x)-(7-6x)=5x+11
- 140*x^3+125*x^2+75*x-110=0
- 0.7405*x-(11459/50)=(273/500)*y
- (12+3x)-(7+6x)=5x-11
- (12+3x)+(7-6x)=5x-11
(12+3x)-(7-6x)=5x-11 equation
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The solution
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12 + 3*x + -7 + 6*x = 5*x - 11
$$\left(3 x + 12\right) + \left(6 x - 7\right) = 5 x - 11$$
Detail solution
Given the linear equation:
Expand brackets in the left part
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$9 x = 5 x - 16$$
Move the summands with the unknown x
from the right part to the left part:
$$4 x = -16$$
Divide both parts of the equation by 4
We get the answer: x = -4
(12+3*x)-(7-6*x) = 5*x-11
Expand brackets in the left part
12+3*x-7+6*x = 5*x-11
Looking for similar summands in the left part:
5 + 9*x = 5*x-11
Move free summands (without x)
from left part to right part, we given:
$$9 x = 5 x - 16$$
Move the summands with the unknown x
from the right part to the left part:
$$4 x = -16$$
Divide both parts of the equation by 4
x = -16 / (4)
We get the answer: x = -4