4(2a-1)-7d=9-5

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Solution for 4(2a-1)-7d=9-5 equation:


Simplifying
4(2a + -1) + -7d = 9 + -5

Reorder the terms:
4(-1 + 2a) + -7d = 9 + -5
(-1 * 4 + 2a * 4) + -7d = 9 + -5
(-4 + 8a) + -7d = 9 + -5

Combine like terms: 9 + -5 = 4
-4 + 8a + -7d = 4

Solving
-4 + 8a + -7d = 4

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 8a + 4 + -7d = 4 + 4

Reorder the terms:
-4 + 4 + 8a + -7d = 4 + 4

Combine like terms: -4 + 4 = 0
0 + 8a + -7d = 4 + 4
8a + -7d = 4 + 4

Combine like terms: 4 + 4 = 8
8a + -7d = 8

Add '7d' to each side of the equation.
8a + -7d + 7d = 8 + 7d

Combine like terms: -7d + 7d = 0
8a + 0 = 8 + 7d
8a = 8 + 7d

Divide each side by '8'.
a = 1 + 0.875d

Simplifying
a = 1 + 0.875d

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