Solve for x . 11/4x+9=31 (1 point) please

1 answer

To solve for \( x \) in the equation

\[ \frac{11}{4}x + 9 = 31, \]

follow these steps:

  1. Subtract 9 from both sides:

\[ \frac{11}{4}x + 9 - 9 = 31 - 9 \]

This simplifies to:

\[ \frac{11}{4}x = 22. \]

  1. Next, multiply both sides by the reciprocal of \(\frac{11}{4}\), which is \(\frac{4}{11}\):

\[ x = 22 \times \frac{4}{11}. \]

  1. Simplify the right side:

\[ x = \frac{88}{11} = 8. \]

Thus, the solution is

\[ \boxed{8}. \]

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