.155=x*1.21*2.1

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Solution for .155=x*1.21*2.1 equation: 


Simplifying
0.155 = x * 1.21 * 2.1

Reorder the terms for easier multiplication:
0.155 = 1.21 * 2.1x

Multiply 1.21 * 2.1
0.155 = 2.541x

Solving
0.155 = 2.541x

Solving for variable 'x'.

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

Add '-2.541x' to each side of the equation.
0.155 + -2.541x = 2.541x + -2.541x

Combine like terms: 2.541x + -2.541x = 0.000
0.155 + -2.541x = 0.000

Add '-0.155' to each side of the equation.
0.155 + -0.155 + -2.541x = 0.000 + -0.155

Combine like terms: 0.155 + -0.155 = 0.000
0.000 + -2.541x = 0.000 + -0.155
-2.541x = 0.000 + -0.155

Combine like terms: 0.000 + -0.155 = -0.155
-2.541x = -0.155

Divide each side by '-2.541'.
x = 0.06099960645

Simplifying
x = 0.06099960645

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