0.2r+0.1b=7

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Solution for 0.2r+0.1b=7 equation: 


Simplifying
0.2r + 0.1b = 7

Reorder the terms:
0.1b + 0.2r = 7

Solving
0.1b + 0.2r = 7

Solving for variable 'b'.

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

Add '-0.2r' to each side of the equation.
0.1b + 0.2r + -0.2r = 7 + -0.2r

Combine like terms: 0.2r + -0.2r = 0.0
0.1b + 0.0 = 7 + -0.2r
0.1b = 7 + -0.2r

Divide each side by '0.1'.
b = 70 + -2r

Simplifying
b = 70 + -2r

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