-3b+45=12b+30

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Solution for -3b+45=12b+30 equation:


Simplifying
-3b + 45 = 12b + 30

Reorder the terms:
45 + -3b = 12b + 30

Reorder the terms:
45 + -3b = 30 + 12b

Solving
45 + -3b = 30 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
45 + -3b + -12b = 30 + 12b + -12b

Combine like terms: -3b + -12b = -15b
45 + -15b = 30 + 12b + -12b

Combine like terms: 12b + -12b = 0
45 + -15b = 30 + 0
45 + -15b = 30

Add '-45' to each side of the equation.
45 + -45 + -15b = 30 + -45

Combine like terms: 45 + -45 = 0
0 + -15b = 30 + -45
-15b = 30 + -45

Combine like terms: 30 + -45 = -15
-15b = -15

Divide each side by '-15'.
b = 1

Simplifying
b = 1

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