Write 1+4 and 9_with a common denominator. t+5
t-1
212 + 121 + 16 and 181 +36
21+4
21+4
72 +91 +20 and
(1 + 5)(1 - 1)
91-9
(1 + 5)(1 - 1)
12-31+4 and 91-5
(t + 5) (1 - 1) (t + 5)(1 - 1)
12 +31-4 and
(1 + 5)(1 - 1)
91 +45
(t + 5)(1 - 1)

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step-by-step explanation:

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step-by-step explanation:

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{x = -1/2 ,   y = -1

step-by-step explanation:

solve the following system:

{2 x + y = -2

{10 x - 3 y = -2

in the first equation, look to solve for y:

{2 x + y = -2

{10 x - 3 y = -2

subtract 2 x from both sides:

{y = -2 x - 2

{10 x - 3 y = -2

substitute y = -2 x - 2 into the second equation:

{y = -2 x - 2

{10 x - 3 (-2 x - 2) = -2

10 x - 3 (-2 x - 2) = (6 x + 6) + 10 x = 16 x + 6:

{y = -2 x - 2

{16 x + 6 = -2

in the second equation, look to solve for x:

{y = -2 x - 2

{16 x + 6 = -2

subtract 6 from both sides:

{y = -2 x - 2

{16 x = -8

divide both sides by 16:

{y = -2 x - 2

{x = -1/2

substitute x = -1/2 into the first equation:

{y = -1

{x = -1/2

collect results in alphabetical order:

answer:   {x = -1/2 ,   y = -1