3(1.2b-1)+3.6=42

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Solution for 3(1.2b-1)+3.6=42 equation:


Simplifying
3(1.2b + -1) + 3.6 = 42

Reorder the terms:
3(-1 + 1.2b) + 3.6 = 42
(-1 * 3 + 1.2b * 3) + 3.6 = 42
(-3 + 3.6b) + 3.6 = 42

Reorder the terms:
-3 + 3.6 + 3.6b = 42

Combine like terms: -3 + 3.6 = 0.6
0.6 + 3.6b = 42

Solving
0.6 + 3.6b = 42

Solving for variable 'b'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + 3.6b = 42 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 3.6b = 42 + -0.6
3.6b = 42 + -0.6

Combine like terms: 42 + -0.6 = 41.4
3.6b = 41.4

Divide each side by '3.6'.
b = 11.5

Simplifying
b = 11.5

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