Answer: 63
Step-by-step explanation: It's stated that it equals 3(21) and that's 63.
Answer: x=14.75
2(2x+2)=3(21)
4x+4 = 63
4x = 63-4
x = 59÷4
x = 14.75
Check: 2(2*14.75+2)=3(21)
63 = 63
9.4m questions
12.2m answers