SOLUTION: 7x-5y=1 solve for x solve for y and find the intercept for x&y and the slope

Question 199137: 7x-5y=1
solve for x
solve for y
and find the intercept for x&y
and the slope
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
7x-5y=1
:
solve for x
Add 5y to both sides
7x = 5y + 1
Divide both sides by 7
x = y +
:
solve for y
subtract 7x from both sides
-5y = -7x + 1
Multiply both sides by -1 to get a positive y
5y = 7x - 1
Divide both sides by 5
y = x -
:
and find the intercept for x&y
x intercept occurs when y = 0
x = (0) +
x = 0 +
x intercept =
:
Y intercept occurs when x = 0
y = (0) -
y intercept =
;
and the slope
use the slope intercept form which is: y = mx + b:
y = x -
m = is the slope
;
;
a graphical illustration will help it make sense to you

Note the graph intercepts the x axis at 1/7 and intercepts the y axis at -1/5
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