3 years ago

Solve using the substitution and elimination method 3a-12b=9 4a-5b=3 can someone please help?

2 answers:

7 0

3a-12b=9 => a = 4b + 3; but, <span>4a-5b=3 => 4(4b + 3) -5b = 3 => 11b = -9 => b = -9/11 => a = -36/11 + 3 = -3/11;</span>

3 0

Answer:6969

Step-by-step explanation:

Its the best answer

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