20r+70-8(4r+6)=

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Solution for 20r+70-8(4r+6)= equation:


Simplifying
20r + 70 + -8(4r + 6) = 0

Reorder the terms:
20r + 70 + -8(6 + 4r) = 0
20r + 70 + (6 * -8 + 4r * -8) = 0
20r + 70 + (-48 + -32r) = 0

Reorder the terms:
70 + -48 + 20r + -32r = 0

Combine like terms: 70 + -48 = 22
22 + 20r + -32r = 0

Combine like terms: 20r + -32r = -12r
22 + -12r = 0

Solving
22 + -12r = 0

Solving for variable 'r'.

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

Add '-22' to each side of the equation.
22 + -22 + -12r = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -12r = 0 + -22
-12r = 0 + -22

Combine like terms: 0 + -22 = -22
-12r = -22

Divide each side by '-12'.
r = 1.833333333

Simplifying
r = 1.833333333

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