7a+9d+2=5d+28

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Solution for 7a+9d+2=5d+28 equation:


Simplifying
7a + 9d + 2 = 5d + 28

Reorder the terms:
2 + 7a + 9d = 5d + 28

Reorder the terms:
2 + 7a + 9d = 28 + 5d

Solving
2 + 7a + 9d = 28 + 5d

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + 7a + -2 + 9d = 28 + -2 + 5d

Reorder the terms:
2 + -2 + 7a + 9d = 28 + -2 + 5d

Combine like terms: 2 + -2 = 0
0 + 7a + 9d = 28 + -2 + 5d
7a + 9d = 28 + -2 + 5d

Combine like terms: 28 + -2 = 26
7a + 9d = 26 + 5d

Add '-9d' to each side of the equation.
7a + 9d + -9d = 26 + 5d + -9d

Combine like terms: 9d + -9d = 0
7a + 0 = 26 + 5d + -9d
7a = 26 + 5d + -9d

Combine like terms: 5d + -9d = -4d
7a = 26 + -4d

Divide each side by '7'.
a = 3.714285714 + -0.5714285714d

Simplifying
a = 3.714285714 + -0.5714285714d

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