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Solve 2x + 3 = 29

The solution of 2x + 3 = 29 is x = 13.

The lines y = 2x + 3 and y = 29 meet at x = 1381012141618152025303540x = 13y = 2x + 3y = 29
The lines y = 2x + 3 and y = 29 meet at x = 13. 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+3=292x + 3 = 29
  2. 2

    Subtract 3 from both sides:

    2x+3−3=29−3 ⇒ 2x=262x + 3 - 3 = 29 - 3 \ \Rightarrow\ 2x = 26
  3. 3

    Divide both sides by 2:

    2x2=262 ⇒ x=13\frac{2x}{2} = \frac{26}{2} \ \Rightarrow\ x = 13
  4. 4

    Check: put x = 13 back into the equation.

    2⋅13+3=26+3=29✓2\cdot13 + 3 = 26 + 3 = 29 \checkmark
LaTeX source of the formulas on this page
\[ 2x + 3 = 29\ \Rightarrow\ x = 13 \]
\[ 2x + 3 = 29 \]
\[ 2x + 3 - 3 = 29 - 3 \ \Rightarrow\ 2x = 26 \]
\[ \frac{2x}{2} = \frac{26}{2} \ \Rightarrow\ x = 13 \]
\[ 2\cdot13 + 3 = 26 + 3 = 29 \checkmark \]

Trying values of x in 2x + 3 = 29

x2x + 3Equals 29?
1125no
1227no
1329yes
1431no
1533no

Questions

What is x in 2x + 3 = 29?

The solution of 2x + 3 = 29 is x = 13.

How do you solve 2x + 3 = 29?

Subtract 3 from both sides to get 2x = 26, then divide both sides by 2 to get x = 13.

How do I check the answer?

Replace x by 13: 2(13) + 3 = 29, which is 29.

Similar equations

    Solve 2x + 3 = 29: x = 13 (steps and check) | WordGPT