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2 years ago

What is x 3x-11+9=10

Mathematics

2 answers:

Archy [21]2 years ago

3 0

Answer: x = 4

Step-by-step explanation:

3x - 11 + 9 = 10

Add 11 to each side

3x + 9 = 21

Subtract 9 from each side

3x = 12

Divide each side by 3

x = 4

maria [59]2 years ago

3 0

Isolate the variable by dividing each side by factors that don't contain the variable. X=4

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3 years ago

3x + ky = 8

sattari [20]

Answer:

(a): x is 3 and ky is -1

(b): k is -2

Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

x - 2 ky = 5 be equation (b)

Then multiply equation (a) by 2:

→ 6x + 2ky = 16, let it be equation (c)

Then equation (c) + equation (b):

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