2 years ago

(t+9)20=140 what is t

Mathematics

2 answers:

GarryVolchara [31]2 years ago

8 0

Answer:

t=-2

Step-by-step explanation:

(t+9)20=140

Distribute the 20

20t +180 = 140

Subtract 180 from each side

20t +180-180 = 140-180

20t = -40

Divide by 20

20t/20 = -40/20

t=-2

nataly862011 [7]2 years ago

3 0

Answer:

-2

Step-by-step explanation:

(t+9)20 = 140

Open the bracket first by multiplying everything by 20.

(20×t) + (20×9) = 140

20t + 180 = 140

20t + 180 - 180 = 140 - 180

20t = -40

20t/20 = -40/20

t = -2

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