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Solve 2x + 2 = 22

The solution of 2x + 2 = 22 is x = 10.

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The lines y = 2x + 2 and y = 22 meet at x = 1046810121416101520253035x = 10y = 2x + 2y = 22
The lines y = 2x + 2 and y = 22 meet at x = 10. 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.

    2x+2=222x + 2 = 22
  2. 2

    Subtract 2 from both sides:

    2x+2−2=22−2 ⇒ 2x=202x + 2 - 2 = 22 - 2 \ \Rightarrow\ 2x = 20
  3. 3

    Divide both sides by 2:

    2x2=202 ⇒ x=10\frac{2x}{2} = \frac{20}{2} \ \Rightarrow\ x = 10
  4. 4

    Check: put x = 10 back into the equation.

    2⋅10+2=20+2=22✓2\cdot10 + 2 = 20 + 2 = 22 \checkmark
LaTeX source of the formulas on this page
\[ 2x + 2 = 22\ \Rightarrow\ x = 10 \]
\[ 2x + 2 = 22 \]
\[ 2x + 2 - 2 = 22 - 2 \ \Rightarrow\ 2x = 20 \]
\[ \frac{2x}{2} = \frac{20}{2} \ \Rightarrow\ x = 10 \]
\[ 2\cdot10 + 2 = 20 + 2 = 22 \checkmark \]

Trying values of x in 2x + 2 = 22

x2x + 2Equals 22?
818no
920no
1022yes
1124no
1226no

Questions

What is x in 2x + 2 = 22?

The solution of 2x + 2 = 22 is x = 10.

How do you solve 2x + 2 = 22?

Subtract 2 from both sides to get 2x = 20, then divide both sides by 2 to get x = 10.

How do I check the answer?

Replace x by 10: 2(10) + 2 = 22, which is 22.

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    Solve 2x + 2 = 22: x = 10 (steps and check) | WordGPT