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Solve 11x + 3 = 135

The solution of 11x + 3 = 135 is x = 12.

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The lines y = 11x + 3 and y = 135 meet at x = 126810121416186080100120140160180200x = 12y = 11x + 3y = 135
The lines y = 11x + 3 and y = 135 meet at x = 12. 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+3=13511x + 3 = 135
  2. 2

    Subtract 3 from both sides:

    11x+3−3=135−3 ⇒ 11x=13211x + 3 - 3 = 135 - 3 \ \Rightarrow\ 11x = 132
  3. 3

    Divide both sides by 11:

    11x11=13211 ⇒ x=12\frac{11x}{11} = \frac{132}{11} \ \Rightarrow\ x = 12
  4. 4

    Check: put x = 12 back into the equation.

    11⋅12+3=132+3=135✓11\cdot12 + 3 = 132 + 3 = 135 \checkmark
LaTeX source of the formulas on this page
\[ 11x + 3 = 135\ \Rightarrow\ x = 12 \]
\[ 11x + 3 = 135 \]
\[ 11x + 3 - 3 = 135 - 3 \ \Rightarrow\ 11x = 132 \]
\[ \frac{11x}{11} = \frac{132}{11} \ \Rightarrow\ x = 12 \]
\[ 11\cdot12 + 3 = 132 + 3 = 135 \checkmark \]

Trying values of x in 11x + 3 = 135

x11x + 3Equals 135?
10113no
11124no
12135yes
13146no
14157no

Questions

What is x in 11x + 3 = 135?

The solution of 11x + 3 = 135 is x = 12.

How do you solve 11x + 3 = 135?

Subtract 3 from both sides to get 11x = 132, then divide both sides by 11 to get x = 12.

How do I check the answer?

Replace x by 12: 11(12) + 3 = 135, which is 135.

Similar equations

    Solve 11x + 3 = 135: x = 12 (steps and check) | WordGPT