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8.

Solve the equation.

1.3x + 2.4 = 7.6

1 answer

To solve the equation \(1.3x + 2.4 = 7.6\), follow these steps:

  1. Subtract \(2.4\) from both sides of the equation:

\[ 1.3x = 7.6 - 2.4 \]

  1. Calculate the right side:

\[ 7.6 - 2.4 = 5.2 \]

So, we have:

\[ 1.3x = 5.2 \]

  1. Now, divide both sides by \(1.3\) to isolate \(x\):

\[ x = \frac{5.2}{1.3} \]

  1. Perform the division:

\[ x = 4 \]

Thus, the solution is:

\[ \boxed{4} \]