7a-13=3d+7

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Solution for 7a-13=3d+7 equation:


Simplifying
7a + -13 = 3d + 7

Reorder the terms:
-13 + 7a = 3d + 7

Reorder the terms:
-13 + 7a = 7 + 3d

Solving
-13 + 7a = 7 + 3d

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + 7a = 7 + 13 + 3d

Combine like terms: -13 + 13 = 0
0 + 7a = 7 + 13 + 3d
7a = 7 + 13 + 3d

Combine like terms: 7 + 13 = 20
7a = 20 + 3d

Divide each side by '7'.
a = 2.857142857 + 0.4285714286d

Simplifying
a = 2.857142857 + 0.4285714286d

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