Use the substitution property of equality to complete the following statement if y=3 and 8x+y=12,then_
a)3-y=12
b)8(3)-y=12
c)8x-3=12
d)8x+3=12
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The answer is D)

Step-by-step explanation:

In order to determine the correct option, we have to know about the substitution property.

The substitution property is when we replace the variable of the equation by a number. For example:

Given

In this example, we applied the substitution property replacing the "x" variable by 3.

For this case:

So, the final expression is matching with the D) option.

Finally, the correct answer is D)

the answer is 96 degrees

step-by-step explanation:

you have to realize that a line equals 180 degrees

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step-by-step explanation: