4+2r=7[6r-6]+6

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Solution for 4+2r=7[6r-6]+6 equation:


Simplifying
4 + 2r = 7[6r + -6] + 6

Reorder the terms:
4 + 2r = 7[-6 + 6r] + 6
4 + 2r = [-6 * 7 + 6r * 7] + 6
4 + 2r = [-42 + 42r] + 6

Reorder the terms:
4 + 2r = -42 + 6 + 42r

Combine like terms: -42 + 6 = -36
4 + 2r = -36 + 42r

Solving
4 + 2r = -36 + 42r

Solving for variable 'r'.

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

Add '-42r' to each side of the equation.
4 + 2r + -42r = -36 + 42r + -42r

Combine like terms: 2r + -42r = -40r
4 + -40r = -36 + 42r + -42r

Combine like terms: 42r + -42r = 0
4 + -40r = -36 + 0
4 + -40r = -36

Add '-4' to each side of the equation.
4 + -4 + -40r = -36 + -4

Combine like terms: 4 + -4 = 0
0 + -40r = -36 + -4
-40r = -36 + -4

Combine like terms: -36 + -4 = -40
-40r = -40

Divide each side by '-40'.
r = 1

Simplifying
r = 1

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