(6b-4)-(2b+9)=

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Solution for (6b-4)-(2b+9)= equation:


Simplifying
(6b + -4) + -1(2b + 9) = 0

Reorder the terms:
(-4 + 6b) + -1(2b + 9) = 0

Remove parenthesis around (-4 + 6b)
-4 + 6b + -1(2b + 9) = 0

Reorder the terms:
-4 + 6b + -1(9 + 2b) = 0
-4 + 6b + (9 * -1 + 2b * -1) = 0
-4 + 6b + (-9 + -2b) = 0

Reorder the terms:
-4 + -9 + 6b + -2b = 0

Combine like terms: -4 + -9 = -13
-13 + 6b + -2b = 0

Combine like terms: 6b + -2b = 4b
-13 + 4b = 0

Solving
-13 + 4b = 0

Solving for variable 'b'.

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

Add '13' to each side of the equation.
-13 + 13 + 4b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 4b = 0 + 13
4b = 0 + 13

Combine like terms: 0 + 13 = 13
4b = 13

Divide each side by '4'.
b = 3.25

Simplifying
b = 3.25

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