C + 2c + 12 = 75
Combine like terms:
3c + 12 = 75
Subtract 12 to both sides:
3c = 63
Divide 3 to both sides:
c = 21
1,3, and 4 are similar shapes
Answer:
x = 12.5 or 12 1/2 (depends if you want decimal or fractions)
Step-by-step explanation:
Answer:
c
Step-by-step explanation: