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Solve 9x + 10 = 190

The solution of 9x + 10 = 190 is x = 20.

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The lines y = 9x + 10 and y = 190 meet at x = 2014161820222426140160180200220240x = 20y = 9x + 10y = 190
The lines y = 9x + 10 and y = 190 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+10=1909x + 10 = 190
  2. 2

    Subtract 10 from both sides:

    9x+10−10=190−10 ⇒ 9x=1809x + 10 - 10 = 190 - 10 \ \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+10=180+10=190✓9\cdot20 + 10 = 180 + 10 = 190 \checkmark
LaTeX source of the formulas on this page
\[ 9x + 10 = 190\ \Rightarrow\ x = 20 \]
\[ 9x + 10 = 190 \]
\[ 9x + 10 - 10 = 190 - 10 \ \Rightarrow\ 9x = 180 \]
\[ \frac{9x}{9} = \frac{180}{9} \ \Rightarrow\ x = 20 \]
\[ 9\cdot20 + 10 = 180 + 10 = 190 \checkmark \]

Trying values of x in 9x + 10 = 190

x9x + 10Equals 190?
18172no
19181no
20190yes
21199no
22208no

Questions

What is x in 9x + 10 = 190?

The solution of 9x + 10 = 190 is x = 20.

How do you solve 9x + 10 = 190?

Subtract 10 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) + 10 = 190, which is 190.

Similar equations

    Solve 9x + 10 = 190: x = 20 (steps and check) | WordGPT