2a+3b-4a-7b=5

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Solution for 2a+3b-4a-7b=5 equation:


Simplifying
2a + 3b + -4a + -7b = 5

Reorder the terms:
2a + -4a + 3b + -7b = 5

Combine like terms: 2a + -4a = -2a
-2a + 3b + -7b = 5

Combine like terms: 3b + -7b = -4b
-2a + -4b = 5

Solving
-2a + -4b = 5

Solving for variable 'a'.

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

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

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

Divide each side by '-2'.
a = -2.5 + -2b

Simplifying
a = -2.5 + -2b

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