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Solve 5x + 12 = 17

The solution of 5x + 12 = 17 is x = 1.

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The lines y = 5x + 12 and y = 17 meet at x = 1-4-2246-101020304050x = 1y = 5x + 12y = 17
The lines y = 5x + 12 and y = 17 meet at x = 1. 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.

    5x+12=175x + 12 = 17
  2. 2

    Subtract 12 from both sides:

    5x+12−12=17−12 ⇒ 5x=55x + 12 - 12 = 17 - 12 \ \Rightarrow\ 5x = 5
  3. 3

    Divide both sides by 5:

    5x5=55 ⇒ x=1\frac{5x}{5} = \frac{5}{5} \ \Rightarrow\ x = 1
  4. 4

    Check: put x = 1 back into the equation.

    5⋅1+12=5+12=17✓5\cdot1 + 12 = 5 + 12 = 17 \checkmark
LaTeX source of the formulas on this page
\[ 5x + 12 = 17\ \Rightarrow\ x = 1 \]
\[ 5x + 12 = 17 \]
\[ 5x + 12 - 12 = 17 - 12 \ \Rightarrow\ 5x = 5 \]
\[ \frac{5x}{5} = \frac{5}{5} \ \Rightarrow\ x = 1 \]
\[ 5\cdot1 + 12 = 5 + 12 = 17 \checkmark \]

Trying values of x in 5x + 12 = 17

x5x + 12Equals 17?
-17no
012no
117yes
222no
327no

Questions

What is x in 5x + 12 = 17?

The solution of 5x + 12 = 17 is x = 1.

How do you solve 5x + 12 = 17?

Subtract 12 from both sides to get 5x = 5, then divide both sides by 5 to get x = 1.

How do I check the answer?

Replace x by 1: 5(1) + 12 = 17, which is 17.

Similar equations

    Solve 5x + 12 = 17: x = 1 (steps and check) | WordGPT