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Algebra Equation Help.?

solve this system by substitution?

solve for x. -6x+3x^2+1=0?

Algebra Question 2x^2+4x=-3 ?

What is the lowest common multiple of 24 and 60?

10x^2+2x=1. I need the answer ASAP. Please?!?

Solve for x:(x-5)/3-3/2=(4x+7)/6?

if the area of a square is 49 what is the perimeter?

. Solve for x:1+3x=-2x-9?

i need help with dividing????helppppp?

How to solve this equation- 1/2x-2=1/3(x-2)?

Can somebody help: 4t^2 = -6t-2?

And how do you write a mixed numeral for 6 5/6 + 3 3/4?

Given that 3^x = 9^(y-1), how would I show that x = 2y-2?

Simplifying this equation?

Mulitply (3x+9)(2x^2+7x+9)?

factor completely 45r^2+150rg+125g^2?

algebra equation, help??

(x-6)(3x-5)=0? Help me out w/ this please!?

how to add 6% sales on 49.80?

Can someone explain how to simplify this equation?

Algebra: I need to simplify (-4x^2)^-1 ?

how to solve statement like these:x+y+z=10 , 2x+2y+2z=20 ,solve value of x,y,z?

what is the cube of 9?

Factor this please!(TRinomial)?

how do I simplify 5x^4(x^2)?

what is the volume (in cm3) of a sphere whose diameter is 0.122 meters?

How to do you solve...x the the power of 2/3 minus 5x to the power of 1/3 minus 6 equals zero..What is the ?

If x-3y=-9 and 5x-2y=7 what is the value of x?

-7- 7 x 7 - 7 ÷ 7 please do the full working

How much is 20KG in stones or lbs?

24 x 3 ÷ 6 - 5 x -3 please do full working

please answer: 5/x 2 7/x-2 - 4/x2-4

if 16 bags of flour had the mass of 3.2kg what is the mass of 7 bags ,in grams?

what is the cube root of 1000

can someone solve sqrt x-5 = x-7

please do this question: 3/2a - 5/6a

4 to the power of what equals 2?? HELP

how many kilograms make 1 pound?

Convert 5000m^3 to km^3

If r= -3 and h= 5 Find 3r^2h

Solving Equations in One Variable

SUPER easy question-brain blank! HELP! Beginner algebra.

Solve the Inequalities...

Solve the following equation:

The length of a rectangle is four times its width.

A math problem What does 2^3 mean?

How to simplify algebra

20x^2 – 37x – 18 factor completely????

can you help me find the area please?