4d-7a-2d+5d=

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Solution for 4d-7a-2d+5d= equation:


Simplifying
4d + -7a + -2d + 5d = 0

Reorder the terms:
-7a + 4d + -2d + 5d = 0

Combine like terms: 4d + -2d = 2d
-7a + 2d + 5d = 0

Combine like terms: 2d + 5d = 7d
-7a + 7d = 0

Solving
-7a + 7d = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7d' to each side of the equation.
-7a + 7d + -7d = 0 + -7d

Combine like terms: 7d + -7d = 0
-7a + 0 = 0 + -7d
-7a = 0 + -7d
Remove the zero:
-7a = -7d

Divide each side by '-7'.
a = d

Simplifying
a = d

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