10*1+3b=-20

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Solution for 10*1+3b=-20 equation: 


Simplifying
10 * 1 + 3b = -20

Multiply 10 * 1
10 + 3b = -20

Solving
10 + 3b = -20

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 + 3b = -20 + -10

Combine like terms: 10 + -10 = 0
0 + 3b = -20 + -10
3b = -20 + -10

Combine like terms: -20 + -10 = -30
3b = -30

Divide each side by '3'.
b = -10

Simplifying
b = -10

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