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Solve 11x + 8 = 19

The solution of 11x + 8 = 19 is x = 1.

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The lines y = 11x + 8 and y = 19 meet at x = 1-4-2246-60-40-2020406080x = 1y = 11x + 8y = 19
The lines y = 11x + 8 and y = 19 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.

    11x+8=1911x + 8 = 19
  2. 2

    Subtract 8 from both sides:

    11x+8−8=19−8 ⇒ 11x=1111x + 8 - 8 = 19 - 8 \ \Rightarrow\ 11x = 11
  3. 3

    Divide both sides by 11:

    11x11=1111 ⇒ x=1\frac{11x}{11} = \frac{11}{11} \ \Rightarrow\ x = 1
  4. 4

    Check: put x = 1 back into the equation.

    11⋅1+8=11+8=19✓11\cdot1 + 8 = 11 + 8 = 19 \checkmark
LaTeX source of the formulas on this page
\[ 11x + 8 = 19\ \Rightarrow\ x = 1 \]
\[ 11x + 8 = 19 \]
\[ 11x + 8 - 8 = 19 - 8 \ \Rightarrow\ 11x = 11 \]
\[ \frac{11x}{11} = \frac{11}{11} \ \Rightarrow\ x = 1 \]
\[ 11\cdot1 + 8 = 11 + 8 = 19 \checkmark \]

Trying values of x in 11x + 8 = 19

x11x + 8Equals 19?
-1-3no
08no
119yes
230no
341no

Questions

What is x in 11x + 8 = 19?

The solution of 11x + 8 = 19 is x = 1.

How do you solve 11x + 8 = 19?

Subtract 8 from both sides to get 11x = 11, then divide both sides by 11 to get x = 1.

How do I check the answer?

Replace x by 1: 11(1) + 8 = 19, which is 19.

Similar equations

    Solve 11x + 8 = 19: x = 1 (steps and check) | WordGPT