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Solve 10x + 2 = 12

The solution of 10x + 2 = 12 is x = 1.

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The lines y = 10x + 2 and y = 12 meet at x = 1-4-2246-60-40-2020406080x = 1y = 10x + 2y = 12
The lines y = 10x + 2 and y = 12 meet at x = 1. 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+2=1210x + 2 = 12
  2. 2

    Subtract 2 from both sides:

    10x+2−2=12−2 ⇒ 10x=1010x + 2 - 2 = 12 - 2 \ \Rightarrow\ 10x = 10
  3. 3

    Divide both sides by 10:

    10x10=1010 ⇒ x=1\frac{10x}{10} = \frac{10}{10} \ \Rightarrow\ x = 1
  4. 4

    Check: put x = 1 back into the equation.

    10⋅1+2=10+2=12✓10\cdot1 + 2 = 10 + 2 = 12 \checkmark
LaTeX source of the formulas on this page
\[ 10x + 2 = 12\ \Rightarrow\ x = 1 \]
\[ 10x + 2 = 12 \]
\[ 10x + 2 - 2 = 12 - 2 \ \Rightarrow\ 10x = 10 \]
\[ \frac{10x}{10} = \frac{10}{10} \ \Rightarrow\ x = 1 \]
\[ 10\cdot1 + 2 = 10 + 2 = 12 \checkmark \]

Trying values of x in 10x + 2 = 12

x10x + 2Equals 12?
-1-8no
02no
112yes
222no
332no

Questions

What is x in 10x + 2 = 12?

The solution of 10x + 2 = 12 is x = 1.

How do you solve 10x + 2 = 12?

Subtract 2 from both sides to get 10x = 10, then divide both sides by 10 to get x = 1.

How do I check the answer?

Replace x by 1: 10(1) + 2 = 12, which is 12.

Similar equations

    Solve 10x + 2 = 12: x = 1 (steps and check) | WordGPT