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Solve 9x + 2 = 164

The solution of 9x + 2 = 164 is x = 18.

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The lines y = 9x + 2 and y = 164 meet at x = 1812141618202224100120140160180200220x = 18y = 9x + 2y = 164
The lines y = 9x + 2 and y = 164 meet at x = 18. 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+2=1649x + 2 = 164
  2. 2

    Subtract 2 from both sides:

    9x+2−2=164−2 ⇒ 9x=1629x + 2 - 2 = 164 - 2 \ \Rightarrow\ 9x = 162
  3. 3

    Divide both sides by 9:

    9x9=1629 ⇒ x=18\frac{9x}{9} = \frac{162}{9} \ \Rightarrow\ x = 18
  4. 4

    Check: put x = 18 back into the equation.

    9⋅18+2=162+2=164✓9\cdot18 + 2 = 162 + 2 = 164 \checkmark
LaTeX source of the formulas on this page
\[ 9x + 2 = 164\ \Rightarrow\ x = 18 \]
\[ 9x + 2 = 164 \]
\[ 9x + 2 - 2 = 164 - 2 \ \Rightarrow\ 9x = 162 \]
\[ \frac{9x}{9} = \frac{162}{9} \ \Rightarrow\ x = 18 \]
\[ 9\cdot18 + 2 = 162 + 2 = 164 \checkmark \]

Trying values of x in 9x + 2 = 164

x9x + 2Equals 164?
16146no
17155no
18164yes
19173no
20182no

Questions

What is x in 9x + 2 = 164?

The solution of 9x + 2 = 164 is x = 18.

How do you solve 9x + 2 = 164?

Subtract 2 from both sides to get 9x = 162, then divide both sides by 9 to get x = 18.

How do I check the answer?

Replace x by 18: 9(18) + 2 = 164, which is 164.

Similar equations

    Solve 9x + 2 = 164: x = 18 (steps and check) | WordGPT