8(x-a)-(28b-x)=a-b

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Solution for 8(x-a)-(28b-x)=a-b equation:


Simplifying
8(x + -1a) + -1(28b + -1x) = a + -1b

Reorder the terms:
8(-1a + x) + -1(28b + -1x) = a + -1b
(-1a * 8 + x * 8) + -1(28b + -1x) = a + -1b
(-8a + 8x) + -1(28b + -1x) = a + -1b
-8a + 8x + (28b * -1 + -1x * -1) = a + -1b
-8a + 8x + (-28b + 1x) = a + -1b

Reorder the terms:
-8a + -28b + 8x + 1x = a + -1b

Combine like terms: 8x + 1x = 9x
-8a + -28b + 9x = a + -1b

Solving
-8a + -28b + 9x = a + -1b

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-8a + -28b + -1a + 9x = a + -1a + -1b

Reorder the terms:
-8a + -1a + -28b + 9x = a + -1a + -1b

Combine like terms: -8a + -1a = -9a
-9a + -28b + 9x = a + -1a + -1b

Combine like terms: a + -1a = 0
-9a + -28b + 9x = 0 + -1b
-9a + -28b + 9x = -1b

Add '28b' to each side of the equation.
-9a + -28b + 28b + 9x = -1b + 28b

Combine like terms: -28b + 28b = 0
-9a + 0 + 9x = -1b + 28b
-9a + 9x = -1b + 28b

Combine like terms: -1b + 28b = 27b
-9a + 9x = 27b

Add '-9x' to each side of the equation.
-9a + 9x + -9x = 27b + -9x

Combine like terms: 9x + -9x = 0
-9a + 0 = 27b + -9x
-9a = 27b + -9x

Divide each side by '-9'.
a = -3b + x

Simplifying
a = -3b + x

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