26=-2(r-6)-6(1-r)

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Solution for 26=-2(r-6)-6(1-r) equation:


Simplifying
26 = -2(r + -6) + -6(1 + -1r)

Reorder the terms:
26 = -2(-6 + r) + -6(1 + -1r)
26 = (-6 * -2 + r * -2) + -6(1 + -1r)
26 = (12 + -2r) + -6(1 + -1r)
26 = 12 + -2r + (1 * -6 + -1r * -6)
26 = 12 + -2r + (-6 + 6r)

Reorder the terms:
26 = 12 + -6 + -2r + 6r

Combine like terms: 12 + -6 = 6
26 = 6 + -2r + 6r

Combine like terms: -2r + 6r = 4r
26 = 6 + 4r

Solving
26 = 6 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
26 + -4r = 6 + 4r + -4r

Combine like terms: 4r + -4r = 0
26 + -4r = 6 + 0
26 + -4r = 6

Add '-26' to each side of the equation.
26 + -26 + -4r = 6 + -26

Combine like terms: 26 + -26 = 0
0 + -4r = 6 + -26
-4r = 6 + -26

Combine like terms: 6 + -26 = -20
-4r = -20

Divide each side by '-4'.
r = 5

Simplifying
r = 5

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