Answer:
25/2 or 12.5
Step-by-step explanation:
We transfer the vairable out to keep isolate it
2a=-33+7
2a= -25
a=25/2 or 12.5
a = -13
33= -2a + 7
<em>Isolate the unknown variable -2a. </em>
2a = 7 - 33
<em>Evaluate. </em>
2a = -26
<em>Find a. </em>
a = -26 ÷ 2
1075 square feet.
multiply 25 by 35 to get the big rectangle area, that's 875.
next the smaller rectangle area, 8 times 25. that's 200.
add em together and boom, 1075.
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