solve the pair of linear equation by the substitution method.
(1)X/10 + y/5 + 1 = 15.
(2)X/8 + y/6 = 15.
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Step-by-step explanation:
(1)X/10 + y/5 + 1 = 15.
(2)X/8 + y/6 = 15.
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