2007-09-09 12:31:54 · 14 answers · asked by Right here Right now 1 in Science & Mathematics ➔ Mathematics
- 3x + 6 = 27
3x = 6 - 27
3x = - 21
x = - 7
Answer: x = - 7
Proof:
- 3(- 7) + 6 = 27
21 + 6 = 27
2007-09-09 12:41:22 · answer #1 · answered by Jun Agruda 7 · 3⤊ 0⤋
-3X + 6 = 27
=> -3X = 21
=> - X = 7
=> X = - 7
2007-09-09 20:10:31 · answer #2 · answered by ***BlueSky*** 2 · 0⤊ 0⤋
X=-7
2007-09-09 19:35:09 · answer #3 · answered by Wanderer 2 · 0⤊ 0⤋
Subtract 6 from 27 to equal 21.
Divide 21 by negative 3 and get 3.
x = 7
2007-09-09 19:35:46 · answer #4 · answered by Anonymous · 0⤊ 0⤋
work the problem backwards. First subtract 6 from 27 and divide the answer by 3. x=that number
2007-09-09 19:50:18 · answer #5 · answered by Dianne C 1 · 0⤊ 0⤋
-3x + 6 = 27
-3x=21
x=-7
2007-09-09 19:37:21 · answer #6 · answered by Anonymous · 0⤊ 0⤋
-3X+6=27
-3X=27-6
-3X=21
-3X/3=21/3 (DIVIDE BOTH SIDE BY 3)
X=-7
2007-09-09 19:40:25 · answer #7 · answered by xkokeponx 3 · 0⤊ 0⤋
Subtract 6 from both sides of the equation.
-3x = 21
Now divide by -3
x = -7
2007-09-09 19:34:39 · answer #8 · answered by ccw 4 · 0⤊ 0⤋
-3x+6=27
-3x=21
-3/-3x=21/-3
x=-7
2007-09-09 19:52:28 · answer #9 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
-3x + 6 = 27
-3x = 21
3x = -21
x = -7
Cheers....Kev
2007-09-09 19:37:20 · answer #10 · answered by kev_the_chemist 3 · 0⤊ 0⤋