Answer:
3x - 12y=30
Explanation:
distribute-
3 times x = 3x
3 times 4 = 12 (+y) = 12y
3 times 10 = 30
3x - 12y = 30 :)
3x - 12y = 30
3 × x = 3x
3 × -4y = -12y
3 × 10 = 30
Combine like terms to get
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