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Equations Review
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- x/7 = 4
x = -28
Oops!
Okay!
3 - p = 12
p = -9
Oops!
Okay!
13 - 4x = 1 - x
x=4
Oops!
Okay!
2(m + 2) = 2(2m + 2)
m = 0
Oops!
Okay!
-2(a - 3) = -(4 + 2a)
no solution
Oops!
Okay!
Expand using distributive property. - (x - 3)
-x + 3
Oops!
Okay!
6r + 7 = 13 + 7r
r = -6
Oops!
Okay!
Solve for x.
x = 59
Oops!
Okay!
2/5 - x = 1/3
x = 1/15
Oops!
Okay!
8x + 4(4x - 3) = 4(6x + 4) - 4
no solution
Oops!
Okay!
Solve for x. This is a regular pentagon (all sides are equal).
x = 1.5 or 3/2
Oops!
Okay!
2/9 x = -4
x = -18
Oops!
Okay!
-6x - 20 = -2x + 4(1 - 3x)
x = 3
Oops!
Okay!
-3(x - 1) + 8(x - 3) = 6x + 7 - 5x
x = 7
Oops!
Okay!
4p - 8 = 13
21/4
Oops!
Okay!
4n - 40 = 7(-2n + 2)
n = 3
Oops!
Okay!
- x = 3
x = -3
Oops!
Okay!
Solve the proportion.
m = 1
Oops!
Okay!
Solve the proportion.
x = 7
Oops!
Okay!
The perimeter of the triangle is 37 cm. Solve for x.
x = 4
Oops!
Okay!
-14 + 6x + 7 - 7x = 1 + 5x
x = -4/3
Oops!
Okay!
Solve the proportion.
x = 26
Oops!
Okay!
1/2 x = 12
x = 24
Oops!
Okay!
-(1 + 7x) - 6(-7 - x) = 36
x = 5
Oops!
Okay!
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