3(10-3y) = 30 - 9y
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12x-14w+103y+72+16-56+0-65+2w+0 original = 12x-14w+2w+103y+72+16-56+0-65+0 group = 12x-12w+103y-33 answer
3x+30let x = "a number"(x+10) = "a number increased by 10"3(x+10) = "3 times a number increased by 10"Expand: 3x+30
The answer is 4a + 12
3 times 3 times 9
6 x 3