2006-07-11 07:26:14 · 21 answers · asked by Anonymous in Education & Reference ➔ Homework Help
3x + 12 = 33
3x = 21
x = 7.
2006-07-11 07:29:25 · answer #1 · answered by nicegal 3 · 0⤊ 0⤋
7
2006-07-11 07:30:09 · answer #2 · answered by Anonymous · 1⤊ 0⤋
7
2006-07-11 07:29:48 · answer #3 · answered by marieandlucaspape 3 · 1⤊ 0⤋
This is called trial and error.
x=1 15=33 wrong
x=2 18=33 wrong
x=3 21=33 wrong
x=4 24=33 wrong
x=5 27=33 wrong
x=6 30=33 wrong
x=7 33=33 right!
2006-07-11 07:44:05 · answer #4 · answered by fresh2 4 · 0⤊ 0⤋
x=7
2006-07-11 08:12:31 · answer #5 · answered by Anonymous · 0⤊ 0⤋
x=7
2006-07-11 07:38:00 · answer #6 · answered by clam 1 · 1⤊ 0⤋
x=7
2006-07-11 07:29:34 · answer #7 · answered by Anonymous · 0⤊ 0⤋
Divide 33 by 3 then subtract 4.
2006-07-11 07:29:36 · answer #8 · answered by wannabebeachbum 3 · 0⤊ 0⤋
3x?=33
3x11=33
4+?=11
4+7=11
so the value of x is 7
4+7x3=33
2006-07-11 07:54:51 · answer #9 · answered by Givingitthought 2 · 0⤊ 0⤋
3x +12=33
subtract 12 from both sides to eliminate 12
3x=21
Divide each side by 3
your answer is x=7
2006-07-11 07:40:12 · answer #10 · answered by emdorsheimer 1 · 1⤊ 0⤋
3(x+4)=33 becomes 3x+12=33
3x= 33-12
3x=21
x=21/3
x=7
2006-07-11 07:30:56 · answer #11 · answered by CHos3n 5 · 1⤊ 0⤋