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# What is x in this equation 3x plus 4 equals -11?

Updated: 12/17/2022

Wiki User

13y ago

3x+4=-11

3x=-15

x=-5

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13y ago

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Q: What is x in this equation 3x plus 4 equals -11?
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No because: 8+3x=x+11+2x (rewrite equation) 8+3x=11+3x (combine like terms) 8=11 (subtract 3x from both sides) This is obviously a false statement, so there is no solution or answer to the equation.

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Your answer can be solved by rewriting the equation in point-intercept notation. * -3x + 2y = 11 * 2y = 3x + 11 * y = (3x+11)/2 That line lists all of the possible answers.

### Is x equals -3 a solution to the equation 2x plus 8 equals 3x plus 11?

According to my calculations, yes. 2x+8=3x+11 -8 2x=3x+3 -2x 0=x+3 -3 -3=x

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### How to Solve the system using substitution 3x plus 2y equals 7 y equals negative 3x plus 11?

Where is y in the first equation, you put its equivalent (=) -3x + 11 The first equation is then transformed into: 3x + 2*(-3x + 11) = 7. Then you get: 3x + (-6x) + 2*11 = 7 &lt;=&gt; -3x + 22 = 7 &lt;=&gt; 22 - 7 = 3x &lt;=&gt; 3x = 15 &lt;=&gt; x = 15/3 &lt;=&gt; x = 5. Then you substitute the x in the second equation by its equivalent so, (x = 5) y = -3*x + 11 &lt;=&gt; y = -3*5 + 11 &lt;=&gt; y = -15 + 11 &lt;=&gt; y = -4. x = 5. y = -4.

### What is 3x plus 2y equals 8?

3x + 2y = 8 This is an equation. It could be the equation of a line.

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### What does the x mean in 3x plus 11 plus 5x equals 75 x means?

x in the equation equals 8 x=8 3*8+11+5*8=75