Answer:
A solution to a linear equation is a pairing of an x and y value that makes the equation true. The solution is given as a coordinate pair, such as (3,4). The equation y=4x-6 has an infinite number of solutions.
A few of the solutions to y=4x-6 are (4,10),(0-6), and (-2,-14); (10)=4(4)-6, (-6)=4(0)-6, and (-14)=4(-2)-6.
A system of linear equations are two or more linear equations that have been grouped to be solved together.
These two equations could be considered a system:
y=5x-8
2x+5y=30
A solution to a system of linear equations is a coordinate pair (x,y) that makes all of the equations in the system true.
For the system:
y=3x+1 and 2x+5y=22
The point (1,4) is a solution to the system.
(4)=3(1)+1 and 2(1)+5(4)=22
The standard form of an equation is when the equation looks like Ax+By=C. An example would be 3x+4y=20.
Step-by-step explanation:
Answer:
k = 4
Step-by-step explanation:
Step 1: Write equation
-3k - 9 = -21
Step 2: Solve for <em>k</em>
- Add 9 to both sides: -3k = -12
- Divide both sides by -3: k = 4
Step 3: Check
<em>Plug in k to verify it's a solution.</em>
-3(4) - 9 = -21
-12 - 9 = -21
-21 = -21
Answer:
denominators
numerators
Step-by-step explanation:
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