Answer:
r = 7
Step-by-step explanation:
Use the distributive property by multipling the -8 to the 2r and the -8, do the same thing on the other side with the -3.
Afterwards, combine like terms by adding 64 and 6.
Next, add 3r to the left side, I usually choose the number with the variable (the letter) that looks like it will be easier to subtract. This leaves only 21 on the right side.
Next subtract 70 from both sides
Divide -13 by both sides
You should get the answer of r=7
Answer:
A 206 degrees
Step-by-step explanation:
circles have a total of 360 degrees
360-154 = 206
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Answer:
Step 3 is incorrect
Step-by-step explanation:
4(-1/2x + 7) + 5x = 15
-2x + 28 + 5x = 15
3x + 28 = 15
3x + 28 - 28 = 15 - 28
3x = -13
Answer: 1 5/12
Step-by-step explanation:
Divide 17 by 12
Answer:
csdkb.jacdsmvadsavbdjk.adck.jdsmvd2182943243phr23
Step-by-step explanation: