Answer:
Simply put, algebra is about finding the unknown or putting real life variables into equations and then solving them. ... Algebra can include real numbers, complex numbers, matrices, vectors, and many more forms of mathematic representation
Step-by-step explanation:
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Switch Sides

[ Step Two ] Expand 

[ Step Three ] Rewrite Equation

[ Step Four ] Add 8 To Both Sides

[ Step Five ] Simplify

[ Step Six ] Divide Both Sides By -1

[ Step Seven ] Simplify

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Answer:
Use the slope formula and slope-intercept form y
=
m
x
+
b to find the equation. y
=
−
x
+
4
Answer: A 2-column table with 5 rows. Column 1 is labeled x with entries negative 5, negative 4, negative 3, negative 2, negative 1. Column 2 is labeled y with entries 5, 5, 5, 5, 5.
The first and the 2nd one are correct because x is 21 and y is 49
3 and 4 at wrong