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Solve 9x + 11 = 137

The solution of 9x + 11 = 137 is x = 14.

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The lines y = 9x + 11 and y = 137 meet at x = 14810121416182080100120140160180200x = 14y = 9x + 11y = 137
The lines y = 9x + 11 and y = 137 meet at x = 14. The solution of the equation is the x-coordinate of the point where the two sides are equal.

How to work it out

  1. 1

    The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.

    9x+11=1379x + 11 = 137
  2. 2

    Subtract 11 from both sides:

    9x+11−11=137−11 ⇒ 9x=1269x + 11 - 11 = 137 - 11 \ \Rightarrow\ 9x = 126
  3. 3

    Divide both sides by 9:

    9x9=1269 ⇒ x=14\frac{9x}{9} = \frac{126}{9} \ \Rightarrow\ x = 14
  4. 4

    Check: put x = 14 back into the equation.

    9⋅14+11=126+11=137✓9\cdot14 + 11 = 126 + 11 = 137 \checkmark
LaTeX source of the formulas on this page
\[ 9x + 11 = 137\ \Rightarrow\ x = 14 \]
\[ 9x + 11 = 137 \]
\[ 9x + 11 - 11 = 137 - 11 \ \Rightarrow\ 9x = 126 \]
\[ \frac{9x}{9} = \frac{126}{9} \ \Rightarrow\ x = 14 \]
\[ 9\cdot14 + 11 = 126 + 11 = 137 \checkmark \]

Trying values of x in 9x + 11 = 137

x9x + 11Equals 137?
12119no
13128no
14137yes
15146no
16155no

Questions

What is x in 9x + 11 = 137?

The solution of 9x + 11 = 137 is x = 14.

How do you solve 9x + 11 = 137?

Subtract 11 from both sides to get 9x = 126, then divide both sides by 9 to get x = 14.

How do I check the answer?

Replace x by 14: 9(14) + 11 = 137, which is 137.

Similar equations

    Solve 9x + 11 = 137: x = 14 (steps and check) | WordGPT