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Solving equations on both sides so solve (3d+8=2d-17) how did you find youre answer
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Solving equations on both sides so solve (3d+8=2d-17) how did you find youre answer
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Oct 16, 2016
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Solving equations on both sides so solve (3d+8=2d-17) how did you find youre answer
Mathematics
middle-school
Zongweil
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| Like terms on each side
| simplify
Mr Nooby Noob
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Oct 19, 2016
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Mr Nooby Noob
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it's important do do the same thing to both sides so the equation will stay equal
exg
3=3
multipy 4
12=12
still true
so 3d+8=2d-17
2d means 2 times d or d+d
so
3d+8=2d-17
subtract 2d from both sides
3d-2d+8=2d-2d-17
d+8=-17
subtract 8 from both sies
d=-25
d=-25
Cybergoof
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Oct 20, 2016
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Cybergoof
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