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Solve 2x + 4 = 24

The solution of 2x + 4 = 24 is x = 10.

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The lines y = 2x + 4 and y = 24 meet at x = 1046810121416101520253035x = 10y = 2x + 4y = 24
The lines y = 2x + 4 and y = 24 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+4=242x + 4 = 24
  2. 2

    Subtract 4 from both sides:

    2x+4−4=24−4 ⇒ 2x=202x + 4 - 4 = 24 - 4 \ \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+4=20+4=24✓2\cdot10 + 4 = 20 + 4 = 24 \checkmark
LaTeX source of the formulas on this page
\[ 2x + 4 = 24\ \Rightarrow\ x = 10 \]
\[ 2x + 4 = 24 \]
\[ 2x + 4 - 4 = 24 - 4 \ \Rightarrow\ 2x = 20 \]
\[ \frac{2x}{2} = \frac{20}{2} \ \Rightarrow\ x = 10 \]
\[ 2\cdot10 + 4 = 20 + 4 = 24 \checkmark \]

Trying values of x in 2x + 4 = 24

x2x + 4Equals 24?
820no
922no
1024yes
1126no
1228no

Questions

What is x in 2x + 4 = 24?

The solution of 2x + 4 = 24 is x = 10.

How do you solve 2x + 4 = 24?

Subtract 4 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) + 4 = 24, which is 24.

Similar equations

    Solve 2x + 4 = 24: x = 10 (steps and check) | WordGPT