t3+t7=38 and t2+t5=26 find t1
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(t3+t7=38) multiply by 2
(t2+t5=26) multiply by 3
by elimination method
t6+t15=78
t6+t14=76 (on subtraction)
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answer = t1=2
(t2+t5=26) multiply by 3
by elimination method
t6+t15=78
t6+t14=76 (on subtraction)
- - -
answer = t1=2
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