How can you check the solution to x+5=3x-1
2 answers:
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First we find the slope.
Slope or m =
where X1 is the x-coordinate of the first ordered pair and Y1 is the y-coordinate of the first ordered pair. Same applies to X2 and Y2 for the second ordered pair.
m =
m =
m =
m = - 1
Your equation starts as y = - 1x + b or just y = - x + b
Now we plug either ordered pair into the equation and solve for b to get our complete linear function.
- 4 = - (1) + b
- 4 = - 1 + b
- 4 + 1 = b
- 3 = b
Your equation is:
y = - x - 3
Slope or m =
where X1 is the x-coordinate of the first ordered pair and Y1 is the y-coordinate of the first ordered pair. Same applies to X2 and Y2 for the second ordered pair.
m =
m =
m =
m = - 1
Your equation starts as y = - 1x + b or just y = - x + b
Now we plug either ordered pair into the equation and solve for b to get our complete linear function.
- 4 = - (1) + b
- 4 = - 1 + b
- 4 + 1 = b
- 3 = b
Your equation is:
y = - x - 3