12(3-2x) = 84
do distributive multiplication:
12(3) + 12(-2x) = 84
36 - 24x = 84
Deduct 36 to both sides
36 - 36 - 24x = 84 - 36
-24x = 48
divide -24 to both sides
-24x / -24 = 48/-24
x = -2
To check:
12(3-2x) = 84
12(3-2(-2) = 84
12(3+4) = 84
12(7) = 84
84 = 84
Answer:
y=32
Step-by-step explanation:
The relationship between the value of x and y is multiplying by 8, therefore when x equals 4, y equals 32.
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This is a linear function which means that there is no restrictions on domain and range. The range is all real numbers.
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