3x+2(81-x)=215

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Solution for 3x+2(81-x)=215 equation:


Simplifying
3x + 2(81 + -1x) = 215
3x + (81 * 2 + -1x * 2) = 215
3x + (162 + -2x) = 215

Reorder the terms:
162 + 3x + -2x = 215

Combine like terms: 3x + -2x = 1x
162 + 1x = 215

Solving
162 + 1x = 215

Solving for variable 'x'.

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

Add '-162' to each side of the equation.
162 + -162 + 1x = 215 + -162

Combine like terms: 162 + -162 = 0
0 + 1x = 215 + -162
1x = 215 + -162

Combine like terms: 215 + -162 = 53
1x = 53

Divide each side by '1'.
x = 53

Simplifying
x = 53

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