Question

solve for x.
-4.2 = 7.2 + \frac{x}{7}

Explanation:

Step1: Isolate the variable term

Subtract 7.1 from both sides.
$$-4.9 - 7.1 = \frac{x}{7}$$

Step2: Calculate left-hand side sum

Compute the subtraction result.
$$-12 = \frac{x}{7}$$

Step3: Solve for x

Multiply both sides by 7.
$$x = -12 \times 7$$

Answer:

$x = -84$