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Earn +20 ptsQ: What is the LCM of 3z and 9z?
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12x-4y plus 9z plus 2y?
12x-4y+9z+2y =12x-2y+9z
What is 3z divided by 2 which equals 9?
If 3z/2 = 9 then the value of z is 6
Combine 8x plus 5z minus 4x plus 3z plus 6?
8x + 5z - 4x + 3z + 6 = 8x - 4x + 5z + 3z - 6 = 4x + 8z - 6
3z + 2 z = 5?
3z+2= x ; z=53(5)+215+217Blake watson 63877
How can you find the sum of 2z-20 and 3z plus 5?
Add like terms to like: (2z - 20) + (3z + 5) = (2z + 3z) + (-20 + 5) = 5z - 15 2z is shorthand for z+z, 3z is shorthand for z+z+z, so: 2z + 3z = (z+z) + (z+z+z) = z+z+z+z+z = 5z Or, to put it another way, just add the coefficients: 2z + 3z = (2+3)z = 5z.
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