0.31+0.15(x-1)+2.12=2.73

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Solution for 0.31+0.15(x-1)+2.12=2.73 equation: 


Simplifying
0.31 + 0.15(x + -1) + 2.12 = 2.73

Reorder the terms:
0.31 + 0.15(-1 + x) + 2.12 = 2.73
0.31 + (-1 * 0.15 + x * 0.15) + 2.12 = 2.73
0.31 + (-0.15 + 0.15x) + 2.12 = 2.73

Reorder the terms:
0.31 + -0.15 + 2.12 + 0.15x = 2.73

Combine like terms: 0.31 + -0.15 = 0.16
0.16 + 2.12 + 0.15x = 2.73

Combine like terms: 0.16 + 2.12 = 2.28
2.28 + 0.15x = 2.73

Solving
2.28 + 0.15x = 2.73

Solving for variable 'x'.

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

Add '-2.28' to each side of the equation.
2.28 + -2.28 + 0.15x = 2.73 + -2.28

Combine like terms: 2.28 + -2.28 = 0.00
0.00 + 0.15x = 2.73 + -2.28
0.15x = 2.73 + -2.28

Combine like terms: 2.73 + -2.28 = 0.45
0.15x = 0.45

Divide each side by '0.15'.
x = 3

Simplifying
x = 3

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