Упростите выражения.
12a - 10b -10a + 6b,
8x - (2x + 5) + (x-1),
4(3x - 2) + 7
12a - 10b -10a + 6b,
8x - (2x + 5) + (x-1),
4(3x - 2) + 7
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Verified answer
12a - 10b - 10a +6b = 2a - 4b8x - (2x + 5) + (x - 1) = 8x - 2x - 5 + x - 1 = 7x - 6
4 (3x - 2) + 7 = 12x - 8 + 7 = 12x - 1
Verified answer
12a - 10b -10a + 6b=12a-10a+6b-10b=2a-4b8x - (2x + 5) + (x-1)=8x-2x-5+x-1=7x-6
4(3x - 2) + 7=12x-8+7=12x-1