[multiplication property][section 8]

(1.)   2x = 8                   here is the problem
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2   2            divide each side by 2

x = 4           divide and cancel

result:   x = 4

(2.)   15y = 45                   here is the problem
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15   15           divide each side by 15

y = 3             divide and cancel

result:   y = 3

(3.)  -12b = 24                  here is the problem
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-12  -12                  divide each side by -12

b = -2                divide and cancel

result:  b = -2

(4.)   13t = -52                   here is the problem
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13     13              divide each side by 13

t = -4              divide and cancel

result:  t = -4

(5.)  (1/4)x = 7           here is the problem

x = 28               multiply each side by 4, cancel

result:  x = 28

(6.) (-1/2)y = 4                 here is the problem

y = -8     multiply each side by -2, cancel

result:  y = -8

(7.)  -2.3s = 4.6                here is the problem
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-2.3  -2.3            divide each side by -2.3

s = -2            divide and cancel

result:  s = -2

(8.)  n/3 = 2                      here is the problem

3(n/3) = 2*3           multiply each side by 3

n = 6               multiply, cancel

result:  n = 6

(9.)  (2/3)n = 12                 here is the problem

(3/2)(2/3)n = (12)(3/2)    multiply each side by 3/2

n = 18            cancel and multiply

result:  n = 18

(10.)   -9 = (5/4)v               here is the problem

(-9)(4/5) = (4/5)(5/4)v    multiply each side by 4/5

-7.2 = v            multiply and cancel

result:  v = -7.2

(11.)  -y = 6              here is the problem

(-1)(-y) = (6)(-1)    multiply each side by -1

y = -6              multiply and cancel

result:  y = -6

(12.)   5y = 0                here is the problem
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5    5             divide each side by 5

y = 0           divide and cancel

result:  y = 0