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Example of Linear Equations:
Solve the equation 2x + 9 = 3(x + 4).
Solution:
Step 1. Using Axiom 2, subtract 3x and 9 from both sides of the equation.
2x + 9 = 3(x + 4)
2x + 9 - 3x - 9 = 3x + 12 - 3x - 9
-x = 3
Step 2. Using Axiom 4, divide both sides of the equation by -1.
-x/-1 = =3/-1
x = -3
Step 3. Check the root.
2(-3) + 9 = -6 + 9 = 3
3[(-3) + 4] = 3(1) = 3
The root checks.
These similar steps can be used to solve equations which involve various unknowns. The result is an expression for one of the unknowns in terms of the other unknowns. This is particularly significant in solving practical problems. Frequent the known relationship between various physical quantities must be rearranged in sequence to solve for the unknown quantity. The steps are performed so in which the unknown quantity is isolated on the left-hand side of the equation.
-9+f ?-1 ?? (a-1)=-12 f(-3)=2
methodology of OR
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1/a+b+x =1/a+1/b+1/x a+b ≠ 0 Ans: 1/a+b+x =1/a+1/b+1/x => 1/a+b+x -1/x = +1/a +1/b ⇒ x - ( a + b + x )/ x ( a + b + x ) = + a + b/ ab ⇒
Factoring Polynomials with Degree Greater than 2 There is no one method for doing these generally. However, there are some that we can do so let's take a look at a some exa
Example Find the values of the given expressions. Also given that a = 2, b = 3, c = 1, and x = 2. 8a + 5bc = 8.2
if HCFof 657 and 963 is expressable in the form of 657x+963x-15findx
test is tomorrow, don''t know anything lol, please help
a business is owned by three people.the first owns 1/12 of the business and the second owns 1/6 of the business. what fractional part of the business is owned by the third person
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