Posted by aneme on Tuesday, February 12, 2008 at 11:22pm.
what is the slope of the line perpendicular to y= 3x-7?
If you have a question, go to the top of the page and click on Post a New question. Then type in your question and post it.
9x+6y=3
3x-7y=-26
=============
Solve one equation for one of the variables in terms of the other; for example, solve equation 1 for y.
6y = 3-9x and
y = (3-9x)/6 which I would then reduce to
y = (1-3x)/2
then substitute this y for y in equation 2.
3x -7*[(1-3x)/2] = -26
3x -(7+21x)/2 = -26
You see that y has been eliminated. Continue and solve for x, then substitute this value into the other equation and solve for y. Finally, substitute both x and y into one of the equations to make sure those values satisfy the equation. Check my work.
thanks!:-)
Related Questions
algebra - 9x+6y=3 and 3x-7y=-26 using the substitution method
algebra - 9x+6y=3 and 3x-7y=-26 using the substitution method
algebra - 9x+6y=3 and 3x-7y=-26 using the substitution method
Algebra - Solving system of linear equations by using the apropiate method name ...
Math 116 algebra please check - Solve by the substitution method 3x + 7y =15 x=...
Algebra II - Solve the given system by using a substitution method 9x-2y=3 3x-6=...
algebra - Requesting help. (I must reckon, that X is a variable, and y is y-...
maths - use the substitution method to solve the linear system. 1. 3x=9 -x+2y=9 ...
MATH - Solve system of equations algebraically. 1. 3x-3y=24 and 2x+5y=-37 2. -9x...
Algebra - -3x + 2y = 8 x + 4y = -4 use substitution method to solve the linear ...
For Further Reading
