9a+5b-7(7a-6b)=

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Solution for 9a+5b-7(7a-6b)= equation:


Simplifying
9a + 5b + -7(7a + -6b) = 0
9a + 5b + (7a * -7 + -6b * -7) = 0
9a + 5b + (-49a + 42b) = 0

Reorder the terms:
9a + -49a + 5b + 42b = 0

Combine like terms: 9a + -49a = -40a
-40a + 5b + 42b = 0

Combine like terms: 5b + 42b = 47b
-40a + 47b = 0

Solving
-40a + 47b = 0

Solving for variable 'a'.

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

Add '-47b' to each side of the equation.
-40a + 47b + -47b = 0 + -47b

Combine like terms: 47b + -47b = 0
-40a + 0 = 0 + -47b
-40a = 0 + -47b
Remove the zero:
-40a = -47b

Divide each side by '-40'.
a = 1.175b

Simplifying
a = 1.175b

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