7b+5(2-b)=-9

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Solution for 7b+5(2-b)=-9 equation:


Simplifying
7b + 5(2 + -1b) = -9
7b + (2 * 5 + -1b * 5) = -9
7b + (10 + -5b) = -9

Reorder the terms:
10 + 7b + -5b = -9

Combine like terms: 7b + -5b = 2b
10 + 2b = -9

Solving
10 + 2b = -9

Solving for variable 'b'.

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

Add '-10' to each side of the equation.
10 + -10 + 2b = -9 + -10

Combine like terms: 10 + -10 = 0
0 + 2b = -9 + -10
2b = -9 + -10

Combine like terms: -9 + -10 = -19
2b = -19

Divide each side by '2'.
b = -9.5

Simplifying
b = -9.5

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