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Solve 8x + 13 = 141

The solution of 8x + 13 = 141 is x = 16.

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The lines y = 8x + 13 and y = 141 meet at x = 1610121416182022100120140160180x = 16y = 8x + 13y = 141
The lines y = 8x + 13 and y = 141 meet at x = 16. 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.

    8x+13=1418x + 13 = 141
  2. 2

    Subtract 13 from both sides:

    8x+13−13=141−13 ⇒ 8x=1288x + 13 - 13 = 141 - 13 \ \Rightarrow\ 8x = 128
  3. 3

    Divide both sides by 8:

    8x8=1288 ⇒ x=16\frac{8x}{8} = \frac{128}{8} \ \Rightarrow\ x = 16
  4. 4

    Check: put x = 16 back into the equation.

    8⋅16+13=128+13=141✓8\cdot16 + 13 = 128 + 13 = 141 \checkmark
LaTeX source of the formulas on this page
\[ 8x + 13 = 141\ \Rightarrow\ x = 16 \]
\[ 8x + 13 = 141 \]
\[ 8x + 13 - 13 = 141 - 13 \ \Rightarrow\ 8x = 128 \]
\[ \frac{8x}{8} = \frac{128}{8} \ \Rightarrow\ x = 16 \]
\[ 8\cdot16 + 13 = 128 + 13 = 141 \checkmark \]

Trying values of x in 8x + 13 = 141

x8x + 13Equals 141?
14125no
15133no
16141yes
17149no
18157no

Questions

What is x in 8x + 13 = 141?

The solution of 8x + 13 = 141 is x = 16.

How do you solve 8x + 13 = 141?

Subtract 13 from both sides to get 8x = 128, then divide both sides by 8 to get x = 16.

How do I check the answer?

Replace x by 16: 8(16) + 13 = 141, which is 141.

Similar equations

    Solve 8x + 13 = 141: x = 16 (steps and check) | WordGPT