3b*2-21b+30=0

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Solution for 3b*2-21b+30=0 equation:


Simplifying
3b * 2 + -21b + 30 = 0

Reorder the terms for easier multiplication:
3 * 2b + -21b + 30 = 0

Multiply 3 * 2
6b + -21b + 30 = 0

Reorder the terms:
30 + 6b + -21b = 0

Combine like terms: 6b + -21b = -15b
30 + -15b = 0

Solving
30 + -15b = 0

Solving for variable 'b'.

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

Add '-30' to each side of the equation.
30 + -30 + -15b = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -15b = 0 + -30
-15b = 0 + -30

Combine like terms: 0 + -30 = -30
-15b = -30

Divide each side by '-15'.
b = 2

Simplifying
b = 2

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