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Solve 11x + 15 = 92

The solution of 11x + 15 = 92 is x = 7.

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The lines y = 11x + 15 and y = 92 meet at x = 72468101220406080100120140160x = 7y = 11x + 15y = 92
The lines y = 11x + 15 and y = 92 meet at x = 7. 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.

    11x+15=9211x + 15 = 92
  2. 2

    Subtract 15 from both sides:

    11x+15−15=92−15 ⇒ 11x=7711x + 15 - 15 = 92 - 15 \ \Rightarrow\ 11x = 77
  3. 3

    Divide both sides by 11:

    11x11=7711 ⇒ x=7\frac{11x}{11} = \frac{77}{11} \ \Rightarrow\ x = 7
  4. 4

    Check: put x = 7 back into the equation.

    11⋅7+15=77+15=92✓11\cdot7 + 15 = 77 + 15 = 92 \checkmark
LaTeX source of the formulas on this page
\[ 11x + 15 = 92\ \Rightarrow\ x = 7 \]
\[ 11x + 15 = 92 \]
\[ 11x + 15 - 15 = 92 - 15 \ \Rightarrow\ 11x = 77 \]
\[ \frac{11x}{11} = \frac{77}{11} \ \Rightarrow\ x = 7 \]
\[ 11\cdot7 + 15 = 77 + 15 = 92 \checkmark \]

Trying values of x in 11x + 15 = 92

x11x + 15Equals 92?
570no
681no
792yes
8103no
9114no

Questions

What is x in 11x + 15 = 92?

The solution of 11x + 15 = 92 is x = 7.

How do you solve 11x + 15 = 92?

Subtract 15 from both sides to get 11x = 77, then divide both sides by 11 to get x = 7.

How do I check the answer?

Replace x by 7: 11(7) + 15 = 92, which is 92.

Similar equations

    Solve 11x + 15 = 92: x = 7 (steps and check) | WordGPT