-7+8(1+3r)=16

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Solution for -7+8(1+3r)=16 equation:


Simplifying
-7 + 8(1 + 3r) = 16
-7 + (1 * 8 + 3r * 8) = 16
-7 + (8 + 24r) = 16

Combine like terms: -7 + 8 = 1
1 + 24r = 16

Solving
1 + 24r = 16

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 24r = 16 + -1

Combine like terms: 1 + -1 = 0
0 + 24r = 16 + -1
24r = 16 + -1

Combine like terms: 16 + -1 = 15
24r = 15

Divide each side by '24'.
r = 0.625

Simplifying
r = 0.625

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