30=10(x+8) Simplify.?

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30=10(x+8) Simplify.?

2007-10-16 09:08:20 · 3 answers · asked by Kwaria 1 in Science & Mathematics ➔ Mathematics

3 answers

30=10(x+8)

You take the 10 and multiply it by x and 8.

So

30=10x +80

Then you subtract 80 to get 10x by itself.

so

30
-80
_____
-50

-50=10x

To get x by itself, you'll divide by 10.

-50/10=-5.

So your answer equals -5.

2007-10-16 09:14:15 · answer #1 · answered by Beauty&Soul 2 · 0⤊ 0⤋

30 = 10x + 80
10x = - 50
x = - 5

2007-10-16 10:38:02 · answer #2 · answered by Como 7 · 0⤊ 1⤋

30=10*(x+8)
30=10*x+10*8
30=10x+80
10x+80=30
10x=-50

x=-5

2007-10-16 09:11:16 · answer #3 · answered by Amir B 1 · 0⤊ 1⤋