7ab+2bc-3ab-9bc=

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Solution for 7ab+2bc-3ab-9bc= equation:


Simplifying
7ab + 2bc + -3ab + -9bc = 0

Reorder the terms:
7ab + -3ab + 2bc + -9bc = 0

Combine like terms: 7ab + -3ab = 4ab
4ab + 2bc + -9bc = 0

Combine like terms: 2bc + -9bc = -7bc
4ab + -7bc = 0

Solving
4ab + -7bc = 0

Solving for variable 'a'.

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

Add '7bc' to each side of the equation.
4ab + -7bc + 7bc = 0 + 7bc

Combine like terms: -7bc + 7bc = 0
4ab + 0 = 0 + 7bc
4ab = 0 + 7bc
Remove the zero:
4ab = 7bc

Divide each side by '4b'.
a = 1.75c

Simplifying
a = 1.75c

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