7-4b-3=3b+9-15b

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Solution for 7-4b-3=3b+9-15b equation:


Simplifying
7 + -4b + -3 = 3b + 9 + -15b

Reorder the terms:
7 + -3 + -4b = 3b + 9 + -15b

Combine like terms: 7 + -3 = 4
4 + -4b = 3b + 9 + -15b

Reorder the terms:
4 + -4b = 9 + 3b + -15b

Combine like terms: 3b + -15b = -12b
4 + -4b = 9 + -12b

Solving
4 + -4b = 9 + -12b

Solving for variable 'b'.

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

Add '12b' to each side of the equation.
4 + -4b + 12b = 9 + -12b + 12b

Combine like terms: -4b + 12b = 8b
4 + 8b = 9 + -12b + 12b

Combine like terms: -12b + 12b = 0
4 + 8b = 9 + 0
4 + 8b = 9

Add '-4' to each side of the equation.
4 + -4 + 8b = 9 + -4

Combine like terms: 4 + -4 = 0
0 + 8b = 9 + -4
8b = 9 + -4

Combine like terms: 9 + -4 = 5
8b = 5

Divide each side by '8'.
b = 0.625

Simplifying
b = 0.625

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