6r+8(15+-6r)=100

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Solution for 6r+8(15+-6r)=100 equation: 


Simplifying
6r + 8(15 + -6r) = 100
6r + (15 * 8 + -6r * 8) = 100
6r + (120 + -48r) = 100

Reorder the terms:
120 + 6r + -48r = 100

Combine like terms: 6r + -48r = -42r
120 + -42r = 100

Solving
120 + -42r = 100

Solving for variable 'r'.

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

Add '-120' to each side of the equation.
120 + -120 + -42r = 100 + -120

Combine like terms: 120 + -120 = 0
0 + -42r = 100 + -120
-42r = 100 + -120

Combine like terms: 100 + -120 = -20
-42r = -20

Divide each side by '-42'.
r = 0.4761904762

Simplifying
r = 0.4761904762

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