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aleksandrvk [35]
3 years ago
13

5x-2y+3z-2x-y+4z solve

Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0
I'm not exactly sure how to approach this problem because it does not have an output, but we can combine like terms. 
Add all the x, y, and z together with the numbers.
3x-3y+7z is the final answer.
Jlenok [28]3 years ago
6 0
<span><span>3x-</span><span>3y</span></span>+<span>7<span>z, would be the answer because you have to group like terms so first off you would take 5x-2x which will give you 3x then you take -2y-y which gives you -3y so that you would have 3x-3y and then you would take 3z+4z which would give you 7z therefore the solution to the system is 3x-3y+7z

</span></span>
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Multiply.
alina1380 [7]

Answer:

2/4 or 1/2

Step-by-step explanation:

i used a numbers chart to break the numbers down.

5 0
3 years ago
X+9=2x-3<br> FIND THE X!!!!!!
Ierofanga [76]

Answer:

x = 12

Step-by-step explanation:

<u>To find "x"</u>, we need to <u>isolate it</u>. This means move "x" to the left side, and everything else to the right side.

When moving a number, do its <u>reverse operation</u> to the entire equation.

x + 9 = 2x - 3

x - 2x + 9 = 2x - 2x - 3         Subtract 2x from both sides

-x + 9 = -3                              

-x + 9 - 9 = -3 - 9           Subtract 9 from both sides

-x = -12

-x/-1 = -12/-1          Divide both sides by -1 to get rid of the negatives

x = 12                     Final answer

Check your answer. Split the equation for the left and right sides. Substitute "x" for the answer "12".

LS:   (left side)

x + 9

= 12 + 9              Add

= 21

RS:   (right side)

2x - 3

= 2(12) - 3            Multiply before subtracting

= 24 - 3               Subtract

= 21

Both sides equal to 21 when "x" is 12.

LS = RS          left side equals right side

Therefore the answer is correct.

3 0
4 years ago
Twelve of the 40 cars pulled by the locomotive were tankers.
quester [9]
12 are tankesr
40 cars total
12/40
12/40=6/20=3/10

3/10=tankders
10/10-3/10=7/10
7/10=70/100=70%
70% wern't tankser
3 0
3 years ago
Hi what is the answer for this?
Marat540 [252]
I believe it's A I really hope that's right
6 0
4 years ago
Read 2 more answers
Some one plz i need this
Mazyrski [523]

Answer:

-1/2

Step-by-step explanation:

just flip the M

8 0
3 years ago
Read 2 more answers
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