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Solve 3x + 3 = 63

The solution of 3x + 3 = 63 is x = 20.

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The lines y = 3x + 3 and y = 63 meet at x = 20141618202224264550556065707580x = 20y = 3x + 3y = 63
The lines y = 3x + 3 and y = 63 meet at x = 20. 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=633x + 3 = 63
  2. 2

    Subtract 3 from both sides:

    3x+3−3=63−3 ⇒ 3x=603x + 3 - 3 = 63 - 3 \ \Rightarrow\ 3x = 60
  3. 3

    Divide both sides by 3:

    3x3=603 ⇒ x=20\frac{3x}{3} = \frac{60}{3} \ \Rightarrow\ x = 20
  4. 4

    Check: put x = 20 back into the equation.

    3⋅20+3=60+3=63✓3\cdot20 + 3 = 60 + 3 = 63 \checkmark
LaTeX source of the formulas on this page
\[ 3x + 3 = 63\ \Rightarrow\ x = 20 \]
\[ 3x + 3 = 63 \]
\[ 3x + 3 - 3 = 63 - 3 \ \Rightarrow\ 3x = 60 \]
\[ \frac{3x}{3} = \frac{60}{3} \ \Rightarrow\ x = 20 \]
\[ 3\cdot20 + 3 = 60 + 3 = 63 \checkmark \]

Trying values of x in 3x + 3 = 63

x3x + 3Equals 63?
1857no
1960no
2063yes
2166no
2269no

Questions

What is x in 3x + 3 = 63?

The solution of 3x + 3 = 63 is x = 20.

How do you solve 3x + 3 = 63?

Subtract 3 from both sides to get 3x = 60, then divide both sides by 3 to get x = 20.

How do I check the answer?

Replace x by 20: 3(20) + 3 = 63, which is 63.

Similar equations

    Solve 3x + 3 = 63: x = 20 (steps and check) | WordGPT