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In the number line below,
A
A
A
and
B
B
B
are mixed numbers. (a) Find A. Ans: (a) ...
Feb 26, 2024
In the number line below,
A
A
A
and
B
B
B
are mixed numbers. (a) Find A. Ans: (a) (1) (b) Find
A
+
B
A+B
A
+
B
. Ans: (b) in
Solution by Steps
step 1
To find
A
A
A
, we use the given equation
A
+
B
=
0
A + B = 0
A
+
B
=
0
from the asksia-ll calculation list
step 2
Solving for
A
A
A
, we isolate
A
A
A
on one side of the equation, resulting in
A
=
−
B
A = -B
A
=
−
B
Answer
A
=
−
B
A = -B
A
=
−
B
Key Concept
Solving for a variable
Explanation
To solve for one variable in terms of another, we isolate the desired variable on one side of the equation.
Solution by Steps
step 1
To find
A
+
B
A + B
A
+
B
, we use the value of
A
A
A
from the previous solution,
A
=
−
B
A = -B
A
=
−
B
step 2
Substituting
A
A
A
into the expression
A
+
B
A + B
A
+
B
, we get
−
B
+
B
-B + B
−
B
+
B
step 3
Simplifying
−
B
+
B
-B + B
−
B
+
B
, we find that it equals
0
0
0
Answer
A
+
B
=
0
A + B = 0
A
+
B
=
0
Key Concept
Substitution and Simplification
Explanation
By substituting the value of one variable into an expression and simplifying, we can find the value of the expression.
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