SOLUTION: I'm guessing this is a pre algebra question. I am suppose to solve the systems of equations by elimination. This is how the problem looks.
Y=2x
Y= -x+6
Algebra.Com
Question 900705: I'm guessing this is a pre algebra question. I am suppose to solve the systems of equations by elimination. This is how the problem looks.
Y=2x
Y= -x+6
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
No reason why you need upper case for y but lower case for x.
y=2x and y=-x+6.
Both equations are in slope-intercept form. If you do not yet know how to use slope-intercept
form, then pick values for x and compute corresponding values for y to make a table of ordered pairs.
y=2x has slope 2 and contains (0,0).
y=-x+6 has slope -1 and contains (0,6).
What is the intersection point? That is the solution for the two equations.
ELIMINATION METHOD:
Try using the equations arranged in standard form.
Add the corresponding members will eliminate y.
Multiply the second equation by 2; and then subtract one equation from the other
to eliminate x so you can find value of y.
Elimination method gave intersection point of (2,4).
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