Equations
x – 7x + 4 = 11
x = -1 1/6
10 – 2a < 18
a < -4
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
Solve for A:
abcd = e
a = e/bcd
What property does this represent:
a + b = b + a
Commutative Property
12 + r – 2(r+ 1) = 3
r = 7
6(2x - 4) + 20 > 8
x > 1
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
x - 2y = 9
x = 9 + 2y
-8 - 3(-2^3 - 5)
31
-36 - 6x = 64 - x
x = -20
3 > 5r – 7(r + 1)
r > -5 or -5 < r
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
Solve for y:
4x + 2y = 12
y = -2x + 6
Solve for x:
abs(x-2) = 3
x = 5 or -1
-110x + 2 = -7x + 61
x = 19
10 + 5n < 3n + 2
n < -4
Seven times a number increased by 3 is the same as half the same number increased by 16. Find the number.
2
solve for m:
m/b = s
m = bs
solve the compound inequality:
2 < 2(x-3) < 10
4 < x < 8
8 - 2(2x - 3) = 7x + 3
x = 1
-6 - 2x < x + 6
x > -4
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
solve for r:
r2 + v = h
r = sqrt(h-v)
solve for x:
abs(10+4x) < 14
-6 < x < 1