3 years ago

Evaluate the expression 6x + 21y when Y = 4 x=3

Mathematics

2 answers:

stira [4]3 years ago

5 0

Answer:

102

Step-by-step explanation:

You have to substitute x and y. Since x = 3 and y = 4, you would write the equation as 6(3) + 21(4). Multiply that, and you get 18 + 84. Add that together, and you get the answer 102.

nadya68 [22]3 years ago

4 0

Answer: 102

Step-by-step explanation: 6x + 2y

6(3) + 21(4)

18 + 84

102

basically you just plug in 4 where it says y in the equation and plug in 3 where it says x in the equation and solve :))

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