Equations
x – 7x + 4 = 11
x = -1 1/6
6(2x - 4) + 20 > 8
x > 1
Sam has $1,850 in her savings account and add $25 per month. Diego has $2,000 in his account and adds $20 per month. After how many months will they have the same amount in their accounts?
30 months
What number could be multiplied by this whole equation in order to bust the fractions?
1/2x - 3/8 = 5/6
24, 48...
What property does this represent:
a + b = b + a
Commutative Property
12 + r – 2(r+ 1) = 3
r = 7
3 > 5r – 7(r + 1)
r > -5 or -5 < r
A sign making company, Signs-R-We, charges a set up art fee of $50 plus an additional $1.50 for each sign printed. Their competitor, Sign-Me-Up waives the art fee but charges $3.50 per sign. What is the largest number of signs you could print so that Sign-Me-Up would be a better deal than Signs-R-We?
24 or less
What is the smallest power of ten you could multiply this equation by in order to bust the decimals?
1.23m - .561 < 29
103 or 1000
Factor out the greatest term:
6a^2bc^4 - 8ab^3c^5
2abc^4(3a - 4b^2c)
-110x + 2 = -7x + 61
x = -.6
-2(a - 10) < 6(a-2)
a>-4
Brandon is 10 years older than Brian. In 2 years, Brandon will be 3 times as old as Brian. How old are they now?
Brandon is 13 and Brian is 3
28 is 73% of what number?
38.4
Factor Completely:
16mno2 + 8m2 +24m3n2o4 + 2mn2
2m(8no2 + 4m + 12m2n2o4 + n2)
8 - 2(2x - 3) = 11 - 4x + 3
All Real Numbers
-1/6 + 2/3x<3/4x+7
x > -86
Seven times a number increased by 3 is the same as half the same number increased by 16. Find the number.
2
simpilfy: - ( - ( - ( - 1)3))
1
Simplify:
(-x)^4 - (-x^3) if x = -3
54
4x - 3 = 4(x - 0.75) - 1.2
no solution
21x + 4 - 3(5x + 2) < 6x + 2
All real numbers
The perimeter of a rectangle is 26 inches. The length is 3 inches longer than the width. Find the dimensions of the rectangle.
Width is 5 inches and length is 8 inches
Simplify:
(3x+5y)/2 - (x-y)/2
x + 3y
solve the compound inequality:
2 < 2(x-3) < 10
4 < x < 8