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Solve 9x + 4 = 184

The solution of 9x + 4 = 184 is x = 20.

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The lines y = 9x + 4 and y = 184 meet at x = 2014161820222426120140160180200220240x = 20y = 9x + 4y = 184
The lines y = 9x + 4 and y = 184 meet at x = 20. 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+4=1849x + 4 = 184
  2. 2

    Subtract 4 from both sides:

    9x+4−4=184−4 ⇒ 9x=1809x + 4 - 4 = 184 - 4 \ \Rightarrow\ 9x = 180
  3. 3

    Divide both sides by 9:

    9x9=1809 ⇒ x=20\frac{9x}{9} = \frac{180}{9} \ \Rightarrow\ x = 20
  4. 4

    Check: put x = 20 back into the equation.

    9⋅20+4=180+4=184✓9\cdot20 + 4 = 180 + 4 = 184 \checkmark
LaTeX source of the formulas on this page
\[ 9x + 4 = 184\ \Rightarrow\ x = 20 \]
\[ 9x + 4 = 184 \]
\[ 9x + 4 - 4 = 184 - 4 \ \Rightarrow\ 9x = 180 \]
\[ \frac{9x}{9} = \frac{180}{9} \ \Rightarrow\ x = 20 \]
\[ 9\cdot20 + 4 = 180 + 4 = 184 \checkmark \]

Trying values of x in 9x + 4 = 184

x9x + 4Equals 184?
18166no
19175no
20184yes
21193no
22202no

Questions

What is x in 9x + 4 = 184?

The solution of 9x + 4 = 184 is x = 20.

How do you solve 9x + 4 = 184?

Subtract 4 from both sides to get 9x = 180, then divide both sides by 9 to get x = 20.

How do I check the answer?

Replace x by 20: 9(20) + 4 = 184, which is 184.

Similar equations

    Solve 9x + 4 = 184: x = 20 (steps and check) | WordGPT