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anzhelika [568]
4 years ago
11

2a+b=2a but b can not be 0

Mathematics
1 answer:
Morgarella [4.7K]4 years ago
8 0

Answer:

0

Step-by-step explanation:

this is the only answer because if you subtract 2a from both sides you are left with b=  since there is nothing there, that makes it 0. There is no way to solve this without b=0. (i think its a TRICK question)

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The sum of exterior angles of a regular polygon are equal TRUE\FALSE<br>​
Scorpion4ik [409]

Answer:

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Step-by-step explanation:

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7 0
4 years ago
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Solve each system using substitution:<br> 1. 4x - 5y= -15<br> y= -3x + 22
Bumek [7]
4x - 5y = -15
y = -3x + 22

Plug in your y= equation into the y variable in the other equation

  4x - 5 (y) = -15
            ^^
y = (-3x + 22) = -15

4x - 5 (-3x + 22) = -15

Distribute

4x + 15x - 110 = -15

Combine like terms and add 110 over to -15

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Then, divide the whole equation by 19

x = 5

Then, plug in your x into your y= equation

y = -3 (5) + 22
y = -15 + 22
y = 7

<em><u>x = 5</u></em>
<em><u>y = 7</u></em>
<em><u>(5, 7)</u></em>
3 0
3 years ago
PLZ HELP I NEED TO PASS MATH LOL, What is the value of the expression (−10)(−7)? Enter your answer in the box.
nikklg [1K]

70

Two negatives make a positive

7 0
3 years ago
I need help with my homework pls somone help….
Vikki [24]

Answer:

x > 9

Step-by-step explanation:

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