Heather's Algebra Page
 
 

Here is some equation help:

Solving a Linear Equation:	-2(4-3X)+7=-2X+6+8X
step one: get rid of the parenthesis using the distributive property.	-8+6X+7=-2X+6+8X
step two: Combine the like terms.	-1+6X=6X+6
step three: get both X's to one side of the equation.	-1+X=6
step four: get both numbers to one side of the equation.	X=6
And that is your answer:	X=6

 

Here is something else:

Solving a Literal Equation:	W=MG for G
step one: divide both sides by M to isolate G	W/M=G
And that is your answer:	W/M=G

 
 

One more thing:

Writing an equation for a line in threee forms:	write an equation for a line that runs through to points (0,4) and had a slope of 2
Slope-Intercept Form	y=mx+b
step one: substitute in the numbers	4=2*0+b
step two: isolate the variable	4=b
step three: put b back into the equation	y=2x+4
And that is your answer:	y=2x+4
Point-Slope Form	y-y1=m(x-x1)
step one: substitute the numbers into the equation.	y-4=2(x-0)
And that is your answer:	y-4=2(x-0)
Standard Form	ax+by=c
step one: substitute the numbers into the equation	y=2x+4
step two: get x and y to the same side of the equation.	-2x+y=4
And that is your answer:	-2x+y=4

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