.5(15+b)10.8=243

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Solution for .5(15+b)10.8=243 equation:


Simplifying
0.5(15 + b) * 10.8 = 243

Reorder the terms for easier multiplication:
0.5 * 10.8(15 + b) = 243

Multiply 0.5 * 10.8
5.4(15 + b) = 243
(15 * 5.4 + b * 5.4) = 243
(81 + 5.4b) = 243

Solving
81 + 5.4b = 243

Solving for variable 'b'.

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

Add '-81' to each side of the equation.
81 + -81 + 5.4b = 243 + -81

Combine like terms: 81 + -81 = 0
0 + 5.4b = 243 + -81
5.4b = 243 + -81

Combine like terms: 243 + -81 = 162
5.4b = 162

Divide each side by '5.4'.
b = 30

Simplifying
b = 30

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