Multi-Step Equations
-12x + 8 + 5x = 36
x = -4
I = prt
Solve for t
t = I / pr
n - 7
The larger of two numbers is four more than the smaller number. If the sum of the numbers is 74. Find the Numbers.
35 and 39
3x + 1 < 10
(Show inequality and number line)
x < 3
(-∞ , 3)
8k - (6k - 4 ) = 10
k = 3
Ax + By = C
Solve for y
y = (c - Ax) / B
Three less than twice a number.
2n - 3
The highest score on an Algebra test was 42 points more than the lowest. When added together, the lowest and highest score was 154. Find both the highest and lowest scores. (Must show equation, no quest-and-check)
56 and 98
4 - (x/7) ≤ 5
x ≥ -7
[-7 , ∞)
13w - 2(4w + 1) = w - 58
w = -14
r = 4/3 (p - q)
Solve for p
p = 3/4 r + q
2n / 6 = 42
The length of a rectangle is six inches more than its width. If the perimeter of the rectangle is 24 inches, find its dimensions.
3 in and 9 in
3x - 7(x + 3) < -13
x > -2
(-2, ∞ )
9(m + 5) - 3(m - 2) = 8m +31
m = 10
A = P + Prt
Solve for t
t = (A - P) / Pr
A number no less than 25
n ≥ 25
If the sum of two consecutive numbers is 85, find the numbers. (Must show equation)
42 and 43
-2x + 6 ≥ 3x - 34
x ≤ 8
(-∞ , 8 ]
-5(x - 3) - 2x = 46 - 4(x + 1)
x = -9
m + 2n2 = 7m
Solve for n
n = + or - Square root 3m
One less than the product of a number and 3 is 5 more than the number itself.
3n - 1 = 5 + n
The sum of three consecutive odd numbers is 57. What are the three numbers? (Must show algebraic equation)
17, 19, 21
5x - (x - 2) ≥ 2x - 4(x - 8)
x ≥ 5
[5, ∞)