4r-10=12+2(r+8)

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Solution for 4r-10=12+2(r+8) equation:


Simplifying
4r + -10 = 12 + 2(r + 8)

Reorder the terms:
-10 + 4r = 12 + 2(r + 8)

Reorder the terms:
-10 + 4r = 12 + 2(8 + r)
-10 + 4r = 12 + (8 * 2 + r * 2)
-10 + 4r = 12 + (16 + 2r)

Combine like terms: 12 + 16 = 28
-10 + 4r = 28 + 2r

Solving
-10 + 4r = 28 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-10 + 4r + -2r = 28 + 2r + -2r

Combine like terms: 4r + -2r = 2r
-10 + 2r = 28 + 2r + -2r

Combine like terms: 2r + -2r = 0
-10 + 2r = 28 + 0
-10 + 2r = 28

Add '10' to each side of the equation.
-10 + 10 + 2r = 28 + 10

Combine like terms: -10 + 10 = 0
0 + 2r = 28 + 10
2r = 28 + 10

Combine like terms: 28 + 10 = 38
2r = 38

Divide each side by '2'.
r = 19

Simplifying
r = 19

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