Please help me I will mark brainliest Solve for X 2 + 3.0-9=1-1+22 1
1 answer:
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Answer:
Karen has 6 quarters and 2 dimes
Step-by-step explanation:
Let
x ----> the number of quarter coins Karen has
y ----> the number of dimes coins Karen has
Remember that
we know that
<em>Equation that represent the amount of coins Karen has</em>
isolate the variable y
----> equation A
<em>Equation that represent the value of coins Karen has</em>
----> equation B
Solve the system of equations by substitution
substitute equation A in equation B
solve for x
<em>Find the value of y</em>
---->
therefore
Karen has 6 quarters and 2 dimes