Answer:
1/2
Step-by-step explanation:
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Answer: 8x+3x=12x+9
The number is -9.
Step-by-step explanation: Combine like terms.
11x=12x+9
Subtract 12x from the other side. 11x-12x= -1x
-1x+9
Divide by -1 to isolate x.
-1/-1 cancels out.
9/-1= -9
x=-9
Plug in -9 to check your answer if you want to double check.
121,940
My answer was rounded to the nearest thousandth
The area including cutout is 15*8=120
the area of cutout is 5*5=25
120-25=95 cm²
