4r+4(r+2)=392

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Solution for 4r+4(r+2)=392 equation:


Simplifying
4r + 4(r + 2) = 392

Reorder the terms:
4r + 4(2 + r) = 392
4r + (2 * 4 + r * 4) = 392
4r + (8 + 4r) = 392

Reorder the terms:
8 + 4r + 4r = 392

Combine like terms: 4r + 4r = 8r
8 + 8r = 392

Solving
8 + 8r = 392

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 8r = 392 + -8

Combine like terms: 8 + -8 = 0
0 + 8r = 392 + -8
8r = 392 + -8

Combine like terms: 392 + -8 = 384
8r = 384

Divide each side by '8'.
r = 48

Simplifying
r = 48

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