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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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∙ 13y ago
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Combine 8x plus 5z minus 4x plus 3z plus 6?
8x + 5z - 4x + 3z + 6 = 8x - 4x + 5z + 3z - 6 = 4x + 8z - 6
How do you find the sum of 3z 2 z equals 5?
Since you say you are looking for the sum, I will assume that the equation that you should have written is 3z + 2 + z = 5.3z + 2 + z = 53z - 2 + z = 5 -23z + z = 34z = 34z/4 = 3/4z = 3/4This is very correct.you are a mathematician
What is 1 plus 3z equals?
It equals 1 + 3z and, unless you know the value of z, you are not going to be any the wiser as to its value.
8z - 7 equals 3z - 7 plus 5z?
ghthdhdghdhfdhfdh
5x-2y plus 3z-2x-y-4z equals?
5x-2y+3z-2x-y-4z=3x-3y-z
-6z plus 2 equals 3z plus 4z plus 28 How do you prove the answer -2 is correct?
-6z 2 = 3z+ 4z+28 -6z+2 +3z = 3z+ 4z +28 +4z -6z+4z+2 = 3z+ 28 -10z+2 -3z= 28 - 2 -10z + -3z = 26 -13z/13 = 26/-13 z = -2
What does 3z plus 8 plus 2z plus 6 equal?
3z + 8 + 2z + 6 = 5z + 14
- 47 plus 6z equals 3z - 2 what does z equal?
-47 + 6z = 3z-2-3z -3z-47 + 3z = -2+47 +473z = 45/3 /3z = 15
Combine 8x plus 5z minus 4x plus 3z plus 6?
8x + 5z - 4x + 3z + 6 = 8x - 4x + 5z + 3z - 6 = 4x + 8z - 6
X plus y plus z equals 9 and x plus 2y plus 3z equals 23 and x plus 5y-3Z equals -7 solve for x and y and z?
Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7
What is the answer to -3z plus 17 plus 12z equals 11?
-3z+17+12z = 11 9z = -6 z = -2/3
How do you solve 3z plus 7 equals 4z?
Here's your problem: 3z + 7 = 4z Next, you need to put all of the z's on one side. So you would do this: 3z (-3z) + 7 = 4z (+3z) And you will get this: 7 = 7z Then you will divide each side by 7 in order to find z. (7/7 = 7z/7) The answer will be 1 = z.
9z plus 8 equals 3z-10?
9z+8 = 3z-10 9z-3z = -10-8 6z = -18 z = -3
What is -8z plus 5z?
-8z + 5z = -3z
Simplify 2y plus y plus 3z-z?
3y+2z
How do you solve 3z plus 2 equals 6z minos 13?
Collect all the letters on one side and the numbers on the other; what you do to one side of the equals you do to the other: 3z + 2 = 6z - 13 → 3z +2 - 3z = 6z - 13 - 3z → 2 = 3z - 13 → 2 + 13 = 3z - 13 + 13 → 15 = 3z → 3z = 15 (this is just changing the equals around so that the letter is on the left) → 3z ÷ 3 = 15 ÷ 5 → z = 5
What is the equation of the xz-trace for the plane 7x 2y plus 3z equals 19?
Im guessing that the equation is 7x - 2y +3z= 19 so the answer is 7x + 3z= 19
