7-5a-5+4b=

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Solution for 7-5a-5+4b= equation:


Simplifying
7 + -5a + -5 + 4b = 0

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

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

Solving
2 + -5a + 4b = 0

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 + -5a + -2 + 4b = 0 + -2

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

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

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

Add '-4b' to each side of the equation.
-5a + 4b + -4b = -2 + -4b

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

Divide each side by '-5'.
a = 0.4 + 0.8b

Simplifying
a = 0.4 + 0.8b

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