Solve for x, simplifyb. 1+2x-x= x-5+x

Start by combining the like terms on both sides of the equation.  On the left, the like terms are 2x and -x (because both contain an x), and on the right, the like terms are x and x (both contain an x).

Left:

2x-x=x

Right:

x+x=2x

Now, the equation reads: 1+x=-5+2x.  You now need to isolate the variable by subtracting x from both sides:

1=-5+x

You can solve this like any other equation:

*Add 5 to both sides*

6=x

The answer is x=6.

Hope this helps!!

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional