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Solve 10x + 1 = 201

The solution of 10x + 1 = 201 is x = 20.

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The lines y = 10x + 1 and y = 201 meet at x = 2014161820222426140160180200220240260x = 20y = 10x + 1y = 201
The lines y = 10x + 1 and y = 201 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.

    10x+1=20110x + 1 = 201
  2. 2

    Subtract 1 from both sides:

    10x+1−1=201−1 ⇒ 10x=20010x + 1 - 1 = 201 - 1 \ \Rightarrow\ 10x = 200
  3. 3

    Divide both sides by 10:

    10x10=20010 ⇒ x=20\frac{10x}{10} = \frac{200}{10} \ \Rightarrow\ x = 20
  4. 4

    Check: put x = 20 back into the equation.

    10⋅20+1=200+1=201✓10\cdot20 + 1 = 200 + 1 = 201 \checkmark
LaTeX source of the formulas on this page
\[ 10x + 1 = 201\ \Rightarrow\ x = 20 \]
\[ 10x + 1 = 201 \]
\[ 10x + 1 - 1 = 201 - 1 \ \Rightarrow\ 10x = 200 \]
\[ \frac{10x}{10} = \frac{200}{10} \ \Rightarrow\ x = 20 \]
\[ 10\cdot20 + 1 = 200 + 1 = 201 \checkmark \]

Trying values of x in 10x + 1 = 201

x10x + 1Equals 201?
18181no
19191no
20201yes
21211no
22221no

Questions

What is x in 10x + 1 = 201?

The solution of 10x + 1 = 201 is x = 20.

How do you solve 10x + 1 = 201?

Subtract 1 from both sides to get 10x = 200, then divide both sides by 10 to get x = 20.

How do I check the answer?

Replace x by 20: 10(20) + 1 = 201, which is 201.

Similar equations

    Solve 10x + 1 = 201: x = 20 (steps and check) | WordGPT