1 and 2 step Equations
-4n = -68
n = 17
6x - 3 - 11 - 8x = 2
x = -8
5 less than the product of a number and -8 is -77
-8n - 5 = -77
9x - 13 < -58
x < -5
open dot at -5 with arrow pointing to the left
Mr. Groll has five wrenches in his toolbox that are labeled 3/8 in, 1/4 in, 5/16 in, 7/8 in, and 9/32 in. Write each fraction as a decimal.
0.375, 0.25, 0.3125, 0.875, 0.28125
-5 = x/2.4
x = -12
5 (2p - 6) = -4 (p - 3)
p = 3
the sum of 2/9 of a number and 17 is 21
2/9x + 17 = 21
a/-3 + 18 is less than or equal to 14
a is greater than or equal to 12
closed dot at 12 with arrow opening to the right
Mr. G's classroom (Room 116) has a maximum capacity of 22 students. Write this as an inequality and graph it on a number line.
x is less than or equal to 22.
closed dot at 22 with arrow pointing to the left
7a - 3 = -31
a = -4
-2 (3a - 8) = 2/3 (3a - 60)
a = 7
10 subtracted from the quotient of a number and 5 is 8
19 - 4p < 55
p > -9
open dot at -9 with arrow pointing to the right
What mathematical property is shown here?
(p + 5) + 13 = p + (5 + 13)
Associative Property of Addition
7/3w + 19 = -2
w = -9
2 (2v - 9) + 1 = -5v - 17 + 9v
infinitely many solutions
-17 = -17
the difference between twice a number and 41 is -23.
2n - 41 = -23
-4/7(v + 28) < -8
v > -14
open dot at -14 with arrow pointing to the right
Forty out of 48 freshmen and 42 out of 50 sophomores had perfect attendance last quarter. Write the fraction of each class in simplest form that had perfect attendance last quarter.
5/6 & 21/25
-1.5 = (c + 13)/-8
c = -1
13 - 2(4r - 5) = 5 - (7 + 8r)
23 does NOT equal -2
NO SOLUTION
n2 + 15 = 19
8(5 - 2y) is greater than or equal to 4(2c - 6) + 1
c < 7
open dot at 7 with arrow pointing to the left
The length of a rectangle is 5 centimeters longer than twice the width. If the width of the rectangle is 6 centimeters, find the area of the figure in square centimeters.
102 cm2