0.21=1.2-0.15x

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Solution for 0.21=1.2-0.15x equation: 


Simplifying
0.21 = 1.2 + -0.15x

Solving
0.21 = 1.2 + -0.15x

Solving for variable 'x'.

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

Add '0.15x' to each side of the equation.
0.21 + 0.15x = 1.2 + -0.15x + 0.15x

Combine like terms: -0.15x + 0.15x = 0.00
0.21 + 0.15x = 1.2 + 0.00
0.21 + 0.15x = 1.2

Add '-0.21' to each side of the equation.
0.21 + -0.21 + 0.15x = 1.2 + -0.21

Combine like terms: 0.21 + -0.21 = 0.00
0.00 + 0.15x = 1.2 + -0.21
0.15x = 1.2 + -0.21

Combine like terms: 1.2 + -0.21 = 0.99
0.15x = 0.99

Divide each side by '0.15'.
x = 6.6

Simplifying
x = 6.6

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