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Answer:
Sweating is the release of liquid from the body's sweat glands. This liquid contains salt. This process is also called perspiration. Sweating helps your body stay cool. Sweat is commonly found under the arms, on the feet, and on the palms of the hands.
Explanation:
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Solve for x and y sing ellimination method
3x+y =12
x – 3y =-6
2
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Answer- The above question is from the chapter 'Pair of Linear Equations in Two Variables'.
There are two ways to solve a pair of linear equations in two variables:
1) Graphical Method
2) Algebraic Method:
a. Substitution Method
b. Elimination Method
c. Cross-Multiplication Method
Given equations:
3x + y = 12 --- (1)
x - 3y = -6 --- (2)
To find: Values of x and y
Solution:
Elimination Method is a method to eliminate one variable by equating that coefficient to obtain the value of second variable. This value will help in obtaining the first variable.
Multiplying equation 2 by 3 on both sides, we get
3x - 9y = -18 --- (3)
Equation 3 - Equation 1
3x - 9y = -18
3x + y = +12
- - -
-----------------------
-10y = - 30
y = 3
Put y = 3 in equation 1,
3x + 3 = 12
3x = 12 - 3
3x = 9
x = 3
∴ x = 3 and y = 3 are solutions of given equations