Answer :

Answer:

x = [tex]\frac{2T}{nd}[/tex] - a

Step-by-step explanation:

Multiply both sides by 2 to eliminate the fraction

2T = n(a + x)d

Since n and d are both multipliers, divide both sides by nd

[tex]\frac{2T}{nd}[/tex] = a + x

Isolate x by subtracting a from both sides, hence

x = [tex]\frac{2T}{nd}[/tex] - a
The answer would be a

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