WordGPT

Solve 4x + 11 = 15

The solution of 4x + 11 = 15 is x = 1.

Explain it step by step in chatMake a short video of it
The lines y = 4x + 11 and y = 15 meet at x = 1-4-2246-1010203040x = 1y = 4x + 11y = 15
The lines y = 4x + 11 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.

    4x+11=154x + 11 = 15
  2. 2

    Subtract 11 from both sides:

    4x+11−11=15−11 ⇒ 4x=44x + 11 - 11 = 15 - 11 \ \Rightarrow\ 4x = 4
  3. 3

    Divide both sides by 4:

    4x4=44 ⇒ x=1\frac{4x}{4} = \frac{4}{4} \ \Rightarrow\ x = 1
  4. 4

    Check: put x = 1 back into the equation.

    4⋅1+11=4+11=15✓4\cdot1 + 11 = 4 + 11 = 15 \checkmark
LaTeX source of the formulas on this page
\[ 4x + 11 = 15\ \Rightarrow\ x = 1 \]
\[ 4x + 11 = 15 \]
\[ 4x + 11 - 11 = 15 - 11 \ \Rightarrow\ 4x = 4 \]
\[ \frac{4x}{4} = \frac{4}{4} \ \Rightarrow\ x = 1 \]
\[ 4\cdot1 + 11 = 4 + 11 = 15 \checkmark \]

Trying values of x in 4x + 11 = 15

x4x + 11Equals 15?
-17no
011no
115yes
219no
323no

Questions

What is x in 4x + 11 = 15?

The solution of 4x + 11 = 15 is x = 1.

How do you solve 4x + 11 = 15?

Subtract 11 from both sides to get 4x = 4, then divide both sides by 4 to get x = 1.

How do I check the answer?

Replace x by 1: 4(1) + 11 = 15, which is 15.

Similar equations

    Solve 4x + 11 = 15: x = 1 (steps and check) | WordGPT