26=-7+3(r+8)

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Solution for 26=-7+3(r+8) equation:


Simplifying
26 = -7 + 3(r + 8)

Reorder the terms:
26 = -7 + 3(8 + r)
26 = -7 + (8 * 3 + r * 3)
26 = -7 + (24 + 3r)

Combine like terms: -7 + 24 = 17
26 = 17 + 3r

Solving
26 = 17 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
26 + -3r = 17 + 3r + -3r

Combine like terms: 3r + -3r = 0
26 + -3r = 17 + 0
26 + -3r = 17

Add '-26' to each side of the equation.
26 + -26 + -3r = 17 + -26

Combine like terms: 26 + -26 = 0
0 + -3r = 17 + -26
-3r = 17 + -26

Combine like terms: 17 + -26 = -9
-3r = -9

Divide each side by '-3'.
r = 3

Simplifying
r = 3

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