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Simplify
One-Step
Two-Step
Variable on Both Sides
N E Thing Goes
100
|-r| + r
2r
100
4x = 48
x = 12
100
3x - 5 = 16
x = 7
100
3x = 6x + 45
x = -15
100
What is the mean (or average) of the following temperatures? -4, 5, 10, -6, 5
2
200
-5a - 4 + 10a - 6
5a - 10 which is equivalent to 5a + (-10)
200
-x = -12
x = 12
200
14x - 3 = 25
x = 2
200
2 ( 3x + 4 ) = 8x
x = 4
200
Write a variable expression for the following phrase.... The difference of twice a number and -4
2x - (-4)
300
-4xy + 2x - 2yx - x
-6xy + x
300
n/2 = -8
n = -16
300
6x - 32 = 4
x = 6
300
21x + 100 = 11x - 10
x = -11
300
How far do I travel at 60 miles per hour for 2.5 hours?
150 miles
400
-5 + 2( 2a - 4 )
4a - 13 or 4a + (-13)
400
2n ___ = 8 3
n = 12
400
-5x - 13 = -38
x = -5
400
-7( 3 - x) = -7x + 21
Null set. No solution.
400
How do I write 5,620,000 in scientific notation?
5.62 x 10^6
500
-3a - (6 - a) + (-4)
-2a - 10 or -2a + (-10)
500
-3 ___ x = -12 4
x = 16
500
-1 __ x - 6 = -8 4
x = 8
500
-5 ( 5 - x) = -25 + 5 x
All real numbers work!
500
How do I write 0.00248 cm in scientific notation?
2.48 x 10^-3