SHOW ALL WORKING:
2x+7=x-5
2007-09-19 20:55:55 · 12 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
2x + 7 = x - 5
2x = x - 5 - 7
2x = x -12
2x - x = -12
x = - 12
2007-09-19 21:00:06 · answer #1 · answered by Sparks 6 · 1⤊ 1⤋
2x - x = -5 -7
x = -12
2007-09-19 21:57:21 · answer #2 · answered by Rudey 1 · 0⤊ 0⤋
Hi!
Okay, I am going to rewrite the equation here to start:
2x + 7 = x - 5
First, we need to combine terms. This means we must get the x's on one side and the numbers on the other. So..... we must add and subtract....
2x + 7 - 7 = x - 5 - 7
Now simplify...
2x = x - 12
Now we do the same with "x"...
2x - x = x - x - 12
Now simplify again...
x = -12
There you have it!!
2007-09-19 21:51:19 · answer #3 · answered by countryboy_ga1014 2 · 0⤊ 0⤋
follow these steps to solve this problem,
2x+7= x-5
shifting similar terms
2x-x=-5-7
ie x= -12
2007-09-19 21:05:24 · answer #4 · answered by define.. 2 · 0⤊ 1⤋
X-3(x+2)=4 (-x from the two components) -3(x+2)=4-X (make certain brackets) -3x-6=4-X (upload six to the two components) -3x=10-x (opposite equation) 3x=-10+x (-x from the two components) 2x=-10 (divide the two components via 2) x=-5 in line with probability - its been a on an identical time as considering the fact that I did algebra
2016-12-26 19:18:05 · answer #5 · answered by ? 4 · 0⤊ 0⤋
2x+7=x-5
2x-x= -5-7
therefore x= -12
2007-09-19 22:26:20 · answer #6 · answered by mahawi61 4 · 0⤊ 0⤋
2x + 7 = x - 5
2x -x = -5 - 7
x = -12
2007-09-19 20:59:43 · answer #7 · answered by leydii 2 · 0⤊ 1⤋
2x+7=x-5
2x-x= -5-7
x= -12
2007-09-19 21:04:26 · answer #8 · answered by lynx 2 · 0⤊ 1⤋
I pay attention in class. Then I do all the homework. If I have a question I ask the teacher. That's how I solve this equation. Try it. It works every time.
2007-09-19 21:04:48 · answer #9 · answered by Craig R 6 · 0⤊ 2⤋
2x+7=x-5
2x-x=-5-7
x=-12
Answer:-12
2007-09-19 23:27:03 · answer #10 · answered by CGE(computergameexpert) 1 · 0⤊ 0⤋