-3(10b+10)+5(b+2)=

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Solution for -3(10b+10)+5(b+2)= equation:


Simplifying
-3(10b + 10) + 5(b + 2) = 0

Reorder the terms:
-3(10 + 10b) + 5(b + 2) = 0
(10 * -3 + 10b * -3) + 5(b + 2) = 0
(-30 + -30b) + 5(b + 2) = 0

Reorder the terms:
-30 + -30b + 5(2 + b) = 0
-30 + -30b + (2 * 5 + b * 5) = 0
-30 + -30b + (10 + 5b) = 0

Reorder the terms:
-30 + 10 + -30b + 5b = 0

Combine like terms: -30 + 10 = -20
-20 + -30b + 5b = 0

Combine like terms: -30b + 5b = -25b
-20 + -25b = 0

Solving
-20 + -25b = 0

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + -25b = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -25b = 0 + 20
-25b = 0 + 20

Combine like terms: 0 + 20 = 20
-25b = 20

Divide each side by '-25'.
b = -0.8

Simplifying
b = -0.8

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