3r+10=7(2r-2)+2

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Solution for 3r+10=7(2r-2)+2 equation:


Simplifying
3r + 10 = 7(2r + -2) + 2

Reorder the terms:
10 + 3r = 7(2r + -2) + 2

Reorder the terms:
10 + 3r = 7(-2 + 2r) + 2
10 + 3r = (-2 * 7 + 2r * 7) + 2
10 + 3r = (-14 + 14r) + 2

Reorder the terms:
10 + 3r = -14 + 2 + 14r

Combine like terms: -14 + 2 = -12
10 + 3r = -12 + 14r

Solving
10 + 3r = -12 + 14r

Solving for variable 'r'.

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

Add '-14r' to each side of the equation.
10 + 3r + -14r = -12 + 14r + -14r

Combine like terms: 3r + -14r = -11r
10 + -11r = -12 + 14r + -14r

Combine like terms: 14r + -14r = 0
10 + -11r = -12 + 0
10 + -11r = -12

Add '-10' to each side of the equation.
10 + -10 + -11r = -12 + -10

Combine like terms: 10 + -10 = 0
0 + -11r = -12 + -10
-11r = -12 + -10

Combine like terms: -12 + -10 = -22
-11r = -22

Divide each side by '-11'.
r = 2

Simplifying
r = 2

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