Answer:
Since it is a simultaneous equation,
Using elimination method, Multiply equation 1 by the co efficient of x in equation 2 and multiply equation 2 by the co efficient of x in equation 1.
Step-by-step explanation:
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They are equivalent. combine like terms on the first one and 9x-4x+25 can be simplified to 5x+25.
Answer:
The multiplicative identity property allows this to be true.
The answer is 12 ÷ 3
Step-by-step explanation:
12 ÷ 3
4
She has to buy $100.00 worth of groceries before her savings equals the membership fee.