2007-07-13 21:52:17 · 13 answers · asked by frankie40216 1 in Science & Mathematics ➔ Mathematics
2x + 3 = 8
Transpose 3
2x + 3 - 3 = 8 - 3
2x = 5
Divide both sides of the equation by 2
2x / 2 = 5 / 2
x = 5 / 2
x = 2 1/2
- - - - - - - - -s-
2007-07-14 01:56:36 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋
2x+3=8
2x=5
x=5/2
2007-07-14 00:08:00 · answer #2 · answered by Clov 2 · 1⤊ 0⤋
2x+3=8
2x=5
x =5/2
2007-07-13 21:54:06 · answer #3 · answered by sweet n simple 5 · 3⤊ 0⤋
2 X 3 8
2016-12-17 06:12:12 · answer #4 · answered by ? 4 · 0⤊ 0⤋
2x+3=8
2x=8-3
2x=5
x=5/2
x=2.5
2007-07-14 00:49:27 · answer #5 · answered by Anonymous · 0⤊ 0⤋
2x + 3=8
2x=8-3
2x=5
x=5/2
x=2.5
2007-07-13 21:56:12 · answer #6 · answered by sai radhakrishna B 1 · 1⤊ 0⤋
When you take the absolute value of a number or expression (such as 3-2x), the answer will always be positive no matter what the answer might have been before stripping the negative sign (if there was one). So you take both cases into account: 3-2x = 8 subtract 3 from both sides -2x = 5 divide both sides by -2 x = -5/2 This means plugging -5/2 in for x will give you positive 8 even if you do not have the absolute value bars around it. 3-2x = -8 subtract 3 from both sides -2x = -11 divide both sides by -2 x = 11/2 This means if you plug 11/2 in for x, it will give you -8. However, you have absolute value bars around it, so -8 turns to 8. x can equal -5/2 OR 11/2
2016-03-22 13:55:49 · answer #7 · answered by Anonymous · 0⤊ 0⤋
2x+3=8
2x=5
x=2.5
2007-07-13 22:49:11 · answer #8 · answered by Anonymous · 1⤊ 0⤋
2x=8-3
2x=5
x=5/2
x=2.5
2007-07-17 18:57:52 · answer #9 · answered by Anonymous · 0⤊ 0⤋
2x=8-3
2x=5
x=5/2
x=2.5
2007-07-13 21:55:47 · answer #10 · answered by Vipin A 3 · 2⤊ 0⤋