X+y=31.5
x-y=5.25
add 2 equations
x+y+x-y=31.5+5.25
2x=36.75
x=18.375
y=31.5-18.375=13.125
check : 18.375+13.125=31.5, 18.375-13.125=5.25
so
Answer:
18.375 and 13.125
Answer: 3/2a3
I can't properly write the answer sorry but it's the last one.
Answer: 47/25, The simplest form is 47/25, mixed number version is 1 22/25
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Step-by-step explanation: Please mark as brainliest!
In the top right corner is -7x since we multiply the x and -7
In the bottom row, we'll have 5x for the first box and -35 for the second box. Each box is the result of multiplying the outer values.
In the top left corner, the x^2 is from multiplying the two copies of x.
Answer:
most definitely
Step-by-step explanation:
