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4a + 6b = 102a - 4b =12What does 12a equal?
4 months ago
Q:
4a + 6b = 102a - 4b =12What does 12a equal?
Accepted Solution
A:
multiply second equation by 2 and rewrite4a + 6b = 104a - 8b = 24subtract equations0 + 14b = -1414b = -14b = -1sub back into 4a + 6b = 10 to find the value of a4a + 6 (-1) = 104a - 6 = 104a = 16a = 4therefore, 12a = 12Γ412a is 48