3 (2x + 1) = 21
6x + 3= 21
-3 -3
6x = 18
Divide each side by 6, and x equals 3.
3 (2(3) + 1) = 21
3 (6 + 1) = 21
18 + 3 = 21
Hope this helps! Can I please have brainliest so I can level up? Thank you!
393,100 explanation: i used a calculator but if i hadn’t, 361k plus 31k is 392k. add 825 and 275 for 1,100. 393,100.
3 in 350 is 300 the 3 in 403 is 3