I have no clue how to do these, someone please help.
1 answer:
If the value of y= 7
then next eqn is y= 2x + 1
substitute the value of y
7= 2x+1
7-1=2x
6=2x
6/2=x
3=x
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2x + 3*6 = 36
2x = 36-18
2x = 18
x = 9
The answer is 0 because they’re the same
Answer:
x= -2
Step-by-step explanation:
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(8x + 2y) - (7x + 2y) = 30 - 24
X = 6
Example: Set up proportions.
3/4 cups → 1 batch
x cups → 2 batches
x = 2(3/4) = 6/4 = 1 1/2 cups
3/4 cups → 1 batch
y cups → 9 batches
y = 9(3/4) = 6 3/4 cups