a. -15
b. -10
c. 10
d. 15
2007-10-14 23:21:03 · 11 answers · asked by dandelion 1 in Science & Mathematics ➔ Mathematics
15 - 2(x+5) = 25
15 - 2x -10 = 25
-2x = 25 -15 +10
-2x = 20
x = 20/(-2)
x = -10
2007-10-14 23:23:53 · answer #1 · answered by Ivan D 5 · 0⤊ 0⤋
Solve,
15 - 2 (x + 5) = 25
15 - 2x - 10 = 25
5 - 2x = 25
5 - 25 = 2x
2x = -20
x = -10
Answer is (b).
2007-10-15 06:25:54 · answer #2 · answered by ideaquest 7 · 0⤊ 0⤋
-10
2007-10-15 06:24:55 · answer #3 · answered by N!tsuj 2 · 0⤊ 0⤋
15-10-2x = 25
5 - 2x = 25
-2x = 20
-x = 10
x = -10
2007-10-15 06:23:14 · answer #4 · answered by ThE RiDdLeR 3 · 0⤊ 1⤋
15-2x-10=25
5-2x=25
-2x=20
-x=10
x= -10
2007-10-15 08:00:34 · answer #5 · answered by David M 1 · 0⤊ 0⤋
15 - 2(x + 5) = 25
- 2(x + 5) = 10
- (x + 5) = 5
- x - 5 = 5
x = - 10
Answer: b. - 10
2007-10-15 07:21:12 · answer #6 · answered by Jun Agruda 7 · 2⤊ 0⤋
15-2(x+5)=25
15-2x-10=25
-2x=25-5
-2x=20
x= -10
Choice b
2007-10-15 06:47:19 · answer #7 · answered by Max 6 · 0⤊ 0⤋
15-2(x+5)=25
15-2x-10=25
-2x+5=25
-2x=20
x= -10..! =]
2007-10-15 06:25:52 · answer #8 · answered by wheeeeeeee..! 2 · 0⤊ 0⤋
b) - 10
2007-10-15 06:28:47 · answer #9 · answered by Anonymous · 0⤊ 0⤋
15 - 2x - 10 = 25
- 2x = 20
x = - 10
OPTION b.
2007-10-16 02:49:19 · answer #10 · answered by Como 7 · 0⤊ 0⤋