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vovikov84 [41]
3 years ago
8

2(2x - 8) = x - 46 ?

Mathematics
2 answers:
True [87]3 years ago
5 0

Answer:

x = -10

Steps:

2(2x - 8) = x - 46  Multiply 2 and 2x, and multiply 2 and -8

4x - 16 = x - 46  You then have this equation

-x           -x  Subtract x from both sides

<em>Now let me stop here.  Why are we subtracting?  Because we have variables on both sides, we subtract the least number with the variable. We have 4x and we have </em>x<em>.  Now, x means 1x, and 1x is less than 4x. Therefore, we subtract 1x from both sides : 4x - 1x = 3x.</em>

3x -16 = -46  Then you get this

    +16   +16  Add 16 to both sides (if it said 3x +16 = -46, then you'd subtract)

<u>3x</u> = -<u>30</u>  You now have this

3       3  You only want x, so divide 3 from both sides

x = -10  Hope this helps!

Anna [14]3 years ago
4 0

Answer: X = -10

Step-by-step explanation:

Times two to the parentheses

Minus X from both sides, left with 3X-16=-46

Add 16 to both sides 3X=-30

Divide both sides by 3

Answer X=-10

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