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mel-nik [20]
3 years ago
15

When 8 is subtracted from Ollie’s age, the result is the same as subtracting 16 from 3 times his age.

Mathematics
2 answers:
Scilla [17]3 years ago
5 0
X - Ollie's age

8 is subtracted from Ollie's age = x-8
the result is the same as
subtracting 16 from 3 times his age = 3x-16

x-8=3x-16 \\
x-3x=-16+8 \\
-2x=-8 \\
x=4

Ollie is 4 years old.
Allushta [10]3 years ago
3 0
X - his age

x-8=3x-16\\
x-3x=-16+8\\
-2x=-8\\
x=4

He's 4 years old.
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Answer:

Ted is 6 years old

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Step-by-step explanation:

Ted+Leon=13 ⇒T+L=13 ⇒L=13-T

Leon+Andrew=15 ⇒L+A=15 ⇒A=15-L ⇒A=15-(13-T) because Leon =13-Ted

A=2+T

Ted+Andrew=14

T+A=14  ( substitute Andrew age from A=2+T)

T+2+T=14

2T=12

<h2>T=12/2=6 (Ted is 6 years old)</h2><h2>A=2+T=2+6=8 ( Andrew is 8 years old)</h2><h2>Leon=13-T=13-6=7 ( Leons is seven years old)</h2>

check: Ted+Leon=13 ⇒ 6+7=13

Leon + Andrew=15 ⇒7+8=15

Andrew+Ted=14 ⇒ 6+8=14

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