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Solve 5x + 10 = 15

The solution of 5x + 10 = 15 is x = 1.

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The lines y = 5x + 10 and y = 15 meet at x = 1-4-2246-20-101020304050x = 1y = 5x + 10y = 15
The lines y = 5x + 10 and y = 15 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+10=155x + 10 = 15
  2. 2

    Subtract 10 from both sides:

    5x+10−10=15−10 ⇒ 5x=55x + 10 - 10 = 15 - 10 \ \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+10=5+10=15✓5\cdot1 + 10 = 5 + 10 = 15 \checkmark
LaTeX source of the formulas on this page
\[ 5x + 10 = 15\ \Rightarrow\ x = 1 \]
\[ 5x + 10 = 15 \]
\[ 5x + 10 - 10 = 15 - 10 \ \Rightarrow\ 5x = 5 \]
\[ \frac{5x}{5} = \frac{5}{5} \ \Rightarrow\ x = 1 \]
\[ 5\cdot1 + 10 = 5 + 10 = 15 \checkmark \]

Trying values of x in 5x + 10 = 15

x5x + 10Equals 15?
-15no
010no
115yes
220no
325no

Questions

What is x in 5x + 10 = 15?

The solution of 5x + 10 = 15 is x = 1.

How do you solve 5x + 10 = 15?

Subtract 10 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) + 10 = 15, which is 15.

Similar equations

    Solve 5x + 10 = 15: x = 1 (steps and check) | WordGPT