176=8(1+3r)-3r

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Solution for 176=8(1+3r)-3r equation:


Simplifying
176 = 8(1 + 3r) + -3r
176 = (1 * 8 + 3r * 8) + -3r
176 = (8 + 24r) + -3r

Combine like terms: 24r + -3r = 21r
176 = 8 + 21r

Solving
176 = 8 + 21r

Solving for variable 'r'.

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

Add '-21r' to each side of the equation.
176 + -21r = 8 + 21r + -21r

Combine like terms: 21r + -21r = 0
176 + -21r = 8 + 0
176 + -21r = 8

Add '-176' to each side of the equation.
176 + -176 + -21r = 8 + -176

Combine like terms: 176 + -176 = 0
0 + -21r = 8 + -176
-21r = 8 + -176

Combine like terms: 8 + -176 = -168
-21r = -168

Divide each side by '-21'.
r = 8

Simplifying
r = 8

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