-210=(-2)(30)+b

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Solution for -210=(-2)(30)+b equation:


Simplifying
-210 = (-2)(30) + b

Multiply -2 * 30
-210 = -60 + b

Solving
-210 = -60 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-210 + -1b = -60 + b + -1b

Combine like terms: b + -1b = 0
-210 + -1b = -60 + 0
-210 + -1b = -60

Add '210' to each side of the equation.
-210 + 210 + -1b = -60 + 210

Combine like terms: -210 + 210 = 0
0 + -1b = -60 + 210
-1b = -60 + 210

Combine like terms: -60 + 210 = 150
-1b = 150

Divide each side by '-1'.
b = -150

Simplifying
b = -150

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