2006-11-06 12:22:53 · 16 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
-3x + 4 = 7
-3x = 7 - 4
-3x = 3
x = -1
2006-11-06 12:25:00 · answer #1 · answered by matheson 2 · 0⤊ 0⤋
1
2006-11-06 20:25:41 · answer #2 · answered by th_hunk 1 · 0⤊ 0⤋
1
2006-11-06 20:24:52 · answer #3 · answered by Anonymous · 0⤊ 0⤋
x=1
2006-11-06 20:26:18 · answer #4 · answered by 7 · 0⤊ 0⤋
3x+ 4 = 7
3x = 3
x=1
2006-11-06 20:26:38 · answer #5 · answered by Latina129 2 · 0⤊ 0⤋
x= -1
2006-11-06 20:31:11 · answer #6 · answered by swim chick 3 · 0⤊ 0⤋
3(1) + 4 = 7 therefore x = 1
2006-11-06 20:24:59 · answer #7 · answered by Anonymous · 0⤊ 0⤋
since we have:
-3x + 4 = 7
find x:
-3x + 4 = 7
-3x = 7 - 4 transpose 4 to the other side; change its sign
-3x = 3 simple subtraction
x= -1 divide both sides with -3; div prop of equality
2006-11-06 20:32:04 · answer #8 · answered by chem-o-phobic 2 · 0⤊ 0⤋
3x+4=7
-4 -4
3x=3
x=1
2006-11-06 20:25:31 · answer #9 · answered by solls108 1 · 0⤊ 0⤋
3x=3
x=1
2006-11-06 20:24:50 · answer #10 · answered by ceni40 3 · 0⤊ 0⤋