The value of x in the given equation is -65/a
From the question, we are solve the given equation for x,
The given equation is
(15 + ax)/2 = -25
Solving the equation,
(15 + ax)/2 = -25
Multiply both sides of the equation by 2
2×(15 + ax)/2 = -25×2
15 + ax = -50
Subtract 15 from both sides of the equation
15 - 15 + ax = -50 -15
ax = -65
∴ x = -65/a
Hence, the value of x in the given equation is -65/a
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