Solving for a variable
Solve for y
5y - 9 = -5x
y=-x+9/5
Simplify each expression. Write your answer as proper fractions or mixed numbers.
-2/3+7/8
5/24
Simplify: Your answer should be as simplified as possible and not include any negative exponents.
(xy^4)(x^6y)
x^7y^5
Multiply the following expression.
(3x+1)(x+3)
3x^2+10x+3
Solve the system using any method.
y=x+1
y=-4x+11
(2, 3)
Solve for y
6x-y=24
y=6x-24
Simplify each expression. Write your answer as proper fractions or mixed numbers.
-2/5+4/9
2/45
Simplify: Your answer should be as simplified as possible and not include any negative exponents.
(3xyw)^0
1
Multiply the following expression.
(x+4)(x-6)
x^2-2x-24
Solve the system using any method.
y=-3x+5
5x-4y=-3
(1, 2)
Solve for y
y^2-xy+8=-xy+y+y^2
y=8
Simplify each expression. Write your answer as proper fractions or mixed numbers.
2 1/3-7/12
1 3/4
Simplify: Your answer should be as simplified as possible and not include any negative exponents.
9^-2
1/9^2=1/81
Multiply the following expression.
(2x-4)(x-3)
2x^2-10x+12
Solve the system using any method.
-6x+5y=1
6x+4y=-10
(-1, -1)
Solve for a
u=(ak)/b
a=(bu)/k
Simplify each expression. Write your answer as proper fractions or mixed numbers.
2 1/4-7/8
1 3/8
Simplify: Your answer should be as simplified as possible and not include any negative exponents.
(25x^3)/(5x^4)
5*1/x=5/x
Multiply the following expression.
(x+6)^2
x^2+12x+36
Solve the system using any method.
-8x+8y=20
x-y=6
No solution
Solve for a
g=(1+2a)/a
a = 1/(g-2)
Simplify each expression. Write your answer as proper fractions or mixed numbers.
2 5/6-1/4
2 7/12
Simplify: Your answer should be as simplified as possible and not include any negative exponents.
(3x^2y)^2
9x^4y^2
Multiply the following expression.
(2x^2+x)(3x-4)
6x^3-5x^2-4x
Solve the system using any method.
-8x-8y=24
-7x-7y=21
Infinitely many solutions