<h3><u>The unknown number is equal to 4.</u></h3>
8x - 27 = 5
Add 27 to both sides.
8x = 32
Divide both sides by 8
x = 4
The student solved for 2l, not l. Dividing <span>P -2w=2l by 2, we get l=P/2-w</span>
Answer:
Step-by-step explanation:
B.
Answer:
Step-by-step explanation:
6x+y=88-6. 4=2x-6. 10=2x. (X=5. 14 pm = PN =PL. 4X+7=12x-5. 7=88-5.
Answer:
Step-by-step explanation:
7x - 5x = -11
2x = -11
x = -11/2