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3 years ago

Solve the equation 3x + 4y = 16 for x.

Mathematics

2 answers:

kondor19780726 [428]3 years ago

7 0

Answer:

Explanation

3x + 4y = 16

3x = 16 - 4y

3x = 4 ( 4 - y)

x = 4(4 - y)/3

X= 16 /3 - 4y/3

Neko [114]3 years ago

6 0

Answer:

3x + 4y = 16 The rule is you can do any valid operation on both sides of an equation and it will still be equal. Subtract 4y.

3x = -4y + 16 Divide by 3.

x = -4y/3 + 16/3 Answer B.

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