3a-b-7a+2+4b=

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Solution for 3a-b-7a+2+4b= equation:


Simplifying
3a + -1b + -7a + 2 + 4b = 0

Reorder the terms:
2 + 3a + -7a + -1b + 4b = 0

Combine like terms: 3a + -7a = -4a
2 + -4a + -1b + 4b = 0

Combine like terms: -1b + 4b = 3b
2 + -4a + 3b = 0

Solving
2 + -4a + 3b = 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 + -4a + -2 + 3b = 0 + -2

Reorder the terms:
2 + -2 + -4a + 3b = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -4a + 3b = 0 + -2
-4a + 3b = 0 + -2

Combine like terms: 0 + -2 = -2
-4a + 3b = -2

Add '-3b' to each side of the equation.
-4a + 3b + -3b = -2 + -3b

Combine like terms: 3b + -3b = 0
-4a + 0 = -2 + -3b
-4a = -2 + -3b

Divide each side by '-4'.
a = 0.5 + 0.75b

Simplifying
a = 0.5 + 0.75b

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