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Solve 3x + 2 = 29

The solution of 3x + 2 = 29 is x = 9.

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The lines y = 3x + 2 and y = 29 meet at x = 9468101214101520253035404550x = 9y = 3x + 2y = 29
The lines y = 3x + 2 and y = 29 meet at x = 9. 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.

    3x+2=293x + 2 = 29
  2. 2

    Subtract 2 from both sides:

    3x+2−2=29−2 ⇒ 3x=273x + 2 - 2 = 29 - 2 \ \Rightarrow\ 3x = 27
  3. 3

    Divide both sides by 3:

    3x3=273 ⇒ x=9\frac{3x}{3} = \frac{27}{3} \ \Rightarrow\ x = 9
  4. 4

    Check: put x = 9 back into the equation.

    3⋅9+2=27+2=29✓3\cdot9 + 2 = 27 + 2 = 29 \checkmark
LaTeX source of the formulas on this page
\[ 3x + 2 = 29\ \Rightarrow\ x = 9 \]
\[ 3x + 2 = 29 \]
\[ 3x + 2 - 2 = 29 - 2 \ \Rightarrow\ 3x = 27 \]
\[ \frac{3x}{3} = \frac{27}{3} \ \Rightarrow\ x = 9 \]
\[ 3\cdot9 + 2 = 27 + 2 = 29 \checkmark \]

Trying values of x in 3x + 2 = 29

x3x + 2Equals 29?
723no
826no
929yes
1032no
1135no

Questions

What is x in 3x + 2 = 29?

The solution of 3x + 2 = 29 is x = 9.

How do you solve 3x + 2 = 29?

Subtract 2 from both sides to get 3x = 27, then divide both sides by 3 to get x = 9.

How do I check the answer?

Replace x by 9: 3(9) + 2 = 29, which is 29.

Similar equations

    Solve 3x + 2 = 29: x = 9 (steps and check) | WordGPT