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Replace with Champion CJ-7Y or RCJ--7Y spark plug and tighten securely with a 3/4 inch socket wrench. Spark plug gap should be 0.025 inches R stands for resistor on the RCJ-7Y. Either plug will work. PDF of Owners Manual If you have other questions about your saw, there is an 800# at the top of PDF. Hope this helps.
3x-7y=2 is an equation of a line. That line doesn't go through the point (6, -7) though. Are you looking for the equation of a line through the point parallel to the first line? Perpendicular?
Ok so first you need to find what x equals in terms of y. so use the first equation .2x+.7y=1.5 solve for x by the following steps subract .7y from both sides: .2x= 1.5-.7y ---> divide by .2 on both sides: x= 7.5 - 3.5y. ---> Now plug in x= 7.5 - 3.5y for x in the second equation 0.3 (7.5 - 3.5y) -0.2y=1 ---> Distribute the .3: 2.25 - 1.05y -.2y = 1---> solve for y by combining like terms (the y's) and subtractive 2.25: -1.25y = -1.25---> divide by -1.25 and you get y= 1 Now go back to your x= 7.5 - 3.5y you solved for. Plug in 1 for y in the equation and solve for x---> x=7.5-3.5(1) so x= 4 and y=1 yay your done!
This is very basic scientific calculator and you cannot use it with variables. As to your equation (if you want to solve it) it is much simpler to do so with pen and paper.
Write it as 3y-6=-7y +4 Take the 6 from the left to the right where it becomes +6, Thus 3y=-7y+4+6 3y=-7y+10
Take the -7y term from the right to the left side, where it becomes +7y 3y+7y=10 or 10y=10. The solution is clearly y=1.
11x+52y - Simplified version Further learning: Distributive property of multiplication: http://www.math.unt.edu/mathlab/emathlab/distributive_property_of_multipl.htm
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