7+4(4+8r)=

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Solution for 7+4(4+8r)= equation:


Simplifying
7 + 4(4 + 8r) = 0
7 + (4 * 4 + 8r * 4) = 0
7 + (16 + 32r) = 0

Combine like terms: 7 + 16 = 23
23 + 32r = 0

Solving
23 + 32r = 0

Solving for variable 'r'.

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

Add '-23' to each side of the equation.
23 + -23 + 32r = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 32r = 0 + -23
32r = 0 + -23

Combine like terms: 0 + -23 = -23
32r = -23

Divide each side by '32'.
r = -0.71875

Simplifying
r = -0.71875

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