9*-b+4=7

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Solution for 9*-b+4=7 equation: 


Simplifying
9 * -1b + 4 = 7

Multiply 9 * -1
-9b + 4 = 7

Reorder the terms:
4 + -9b = 7

Solving
4 + -9b = 7

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + -9b = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -9b = 7 + -4
-9b = 7 + -4

Combine like terms: 7 + -4 = 3
-9b = 3

Divide each side by '-9'.
b = -0.3333333333

Simplifying
b = -0.3333333333

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