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Solve 3x + 3 = 54

The solution of 3x + 3 = 54 is x = 17.

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The lines y = 3x + 3 and y = 54 meet at x = 17121416182022354045505560657075x = 17y = 3x + 3y = 54
The lines y = 3x + 3 and y = 54 meet at x = 17. 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+3=543x + 3 = 54
  2. 2

    Subtract 3 from both sides:

    3x+3−3=54−3 ⇒ 3x=513x + 3 - 3 = 54 - 3 \ \Rightarrow\ 3x = 51
  3. 3

    Divide both sides by 3:

    3x3=513 ⇒ x=17\frac{3x}{3} = \frac{51}{3} \ \Rightarrow\ x = 17
  4. 4

    Check: put x = 17 back into the equation.

    3⋅17+3=51+3=54✓3\cdot17 + 3 = 51 + 3 = 54 \checkmark
LaTeX source of the formulas on this page
\[ 3x + 3 = 54\ \Rightarrow\ x = 17 \]
\[ 3x + 3 = 54 \]
\[ 3x + 3 - 3 = 54 - 3 \ \Rightarrow\ 3x = 51 \]
\[ \frac{3x}{3} = \frac{51}{3} \ \Rightarrow\ x = 17 \]
\[ 3\cdot17 + 3 = 51 + 3 = 54 \checkmark \]

Trying values of x in 3x + 3 = 54

x3x + 3Equals 54?
1548no
1651no
1754yes
1857no
1960no

Questions

What is x in 3x + 3 = 54?

The solution of 3x + 3 = 54 is x = 17.

How do you solve 3x + 3 = 54?

Subtract 3 from both sides to get 3x = 51, then divide both sides by 3 to get x = 17.

How do I check the answer?

Replace x by 17: 3(17) + 3 = 54, which is 54.

Similar equations

    Solve 3x + 3 = 54: x = 17 (steps and check) | WordGPT