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OpenStudy (anonymous):
2(x - 3) + 2(x - 7) = 40
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OpenStudy (uri):
Solve the parentheses first
2(x - 3) + 2(x - 7) = 40
DO you know how to? @Challiexoxo
OpenStudy (cggurumanjunath):
2x-6+2x-14=40
4x-20=40
4x=40+20=60
x=60/4=15
OpenStudy (anonymous):
Thanks. And yes I do, I was just confused with this problem
OpenStudy (uri):
Do you understand? Do you want to learn how to do it?
OpenStudy (anonymous):
Yeah that'd be great!
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OpenStudy (uri):
Hm so first solve the parentheses,What do you get?
2(x - 3) + 2(x - 7)
OpenStudy (anonymous):
2x-6 + 2x-14?
OpenStudy (uri):
Correct.
Now,
2x-6 + 2x-14=40
Bring all numerials at one side,and bring all x values at one side.
OpenStudy (anonymous):
2x+2x= 40-6-14???
OpenStudy (uri):
2x-6 + 2x-14=40
2x+2x-6-14=40
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OpenStudy (uri):
Now add all the x values and shift all numericals after *=* sign..remember when we shift sign changes.
OpenStudy (anonymous):
I'm confused.
OpenStudy (uri):
We can do one thing more:
2x+2x-6-14=40
4x-6-14=40
Add 6 and 14 both sides
4x-6-14=40
+6 +14 +6 +14
===========
4x=60
OpenStudy (uri):
Now divide 60 with 4 what do you get?
OpenStudy (anonymous):
15
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OpenStudy (anonymous):
Ahh makes so much more sense. Thanks!!
OpenStudy (uri):
You're welcome :) @Challiexoxo
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