10r-2[r-3(4-r)]=

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Solution for 10r-2[r-3(4-r)]= equation:


Simplifying
10r + -2[r + -3(4 + -1r)] = 0
10r + -2[r + (4 * -3 + -1r * -3)] = 0
10r + -2[r + (-12 + 3r)] = 0

Reorder the terms:
10r + -2[-12 + r + 3r] = 0

Combine like terms: r + 3r = 4r
10r + -2[-12 + 4r] = 0
10r + [-12 * -2 + 4r * -2] = 0
10r + [24 + -8r] = 0

Reorder the terms:
24 + 10r + -8r = 0

Combine like terms: 10r + -8r = 2r
24 + 2r = 0

Solving
24 + 2r = 0

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + 2r = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 2r = 0 + -24
2r = 0 + -24

Combine like terms: 0 + -24 = -24
2r = -24

Divide each side by '2'.
r = -12

Simplifying
r = -12

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