-1.05-0.21r=0.14r+2.1

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Solution for -1.05-0.21r=0.14r+2.1 equation: 


Simplifying
-1.05 + -0.21r = 0.14r + 2.1

Reorder the terms:
-1.05 + -0.21r = 2.1 + 0.14r

Solving
-1.05 + -0.21r = 2.1 + 0.14r

Solving for variable 'r'.

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

Add '-0.14r' to each side of the equation.
-1.05 + -0.21r + -0.14r = 2.1 + 0.14r + -0.14r

Combine like terms: -0.21r + -0.14r = -0.35r
-1.05 + -0.35r = 2.1 + 0.14r + -0.14r

Combine like terms: 0.14r + -0.14r = 0.00
-1.05 + -0.35r = 2.1 + 0.00
-1.05 + -0.35r = 2.1

Add '1.05' to each side of the equation.
-1.05 + 1.05 + -0.35r = 2.1 + 1.05

Combine like terms: -1.05 + 1.05 = 0.00
0.00 + -0.35r = 2.1 + 1.05
-0.35r = 2.1 + 1.05

Combine like terms: 2.1 + 1.05 = 3.15
-0.35r = 3.15

Divide each side by '-0.35'.
r = -9

Simplifying
r = -9

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