-3(10b+10)+5(b+2)=205

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Solution for -3(10b+10)+5(b+2)=205 equation:


Simplifying
-3(10b + 10) + 5(b + 2) = 205

Reorder the terms:
-3(10 + 10b) + 5(b + 2) = 205
(10 * -3 + 10b * -3) + 5(b + 2) = 205
(-30 + -30b) + 5(b + 2) = 205

Reorder the terms:
-30 + -30b + 5(2 + b) = 205
-30 + -30b + (2 * 5 + b * 5) = 205
-30 + -30b + (10 + 5b) = 205

Reorder the terms:
-30 + 10 + -30b + 5b = 205

Combine like terms: -30 + 10 = -20
-20 + -30b + 5b = 205

Combine like terms: -30b + 5b = -25b
-20 + -25b = 205

Solving
-20 + -25b = 205

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 = 205 + 20

Combine like terms: -20 + 20 = 0
0 + -25b = 205 + 20
-25b = 205 + 20

Combine like terms: 205 + 20 = 225
-25b = 225

Divide each side by '-25'.
b = -9

Simplifying
b = -9

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