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2x + (-3)2 = - 4x
x = -3/2
Solve for x:
x + 2y = 10
x = 10 - 2y
The difference between three times a number and six is eighteen
x = 8
1/5 of what number is 20?
n = 100
If 2x + 7 = 4, what is -4x?
x = 6
- (3m - 2) = -5
m = 7/3
Solve for y:
5x - 2y = -1
y = (1/2) + (5/2)x
Eight times the sum of a number and two
8(n + 2)
What decimal part of 26 is 13?
d = 0.5
t−(2t+5)−5(1−2t)=2(3+4t)−3(t−4)
t = 7
(3/4)(x + 3)=9
x = 9
Solve for x:
3x - 10y + 4x - 11y + 21 = 0
x = 3y - 3
Three plus the product of a number and five is fifteen
n = 12/5
60% of 0.5 is what number?
n = 30
(see whiteboard)
x = 16
0.4 - 0.06y = 4
y = -60
Solve for m:
4m + 3 - 2n = 2m + 15 - 2n
m = 6
The product of twice the opposite of a number and seven
-14n
What percent of 200 is 14?
p = 7%
3x + (2)-2 = − 2x
x = 1/20
-3x + |-5 - 3| = -(2x + 4)
x = 12
Solve for s:
-3t - 2s - 3t = 4(5t + 5s)
s = (-13/11)t
The quotient of the sum of a number and two and 4 is 16
n = 62
In a bag of red and green sweets, the ratio of red sweets to green sweets is 3:4. If the bag contains 120 green sweets, how many red sweets are there?
(see whiteboard)
x = 4