7r-3(2r-4)+6=

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Solution for 7r-3(2r-4)+6= equation:


Simplifying
7r + -3(2r + -4) + 6 = 0

Reorder the terms:
7r + -3(-4 + 2r) + 6 = 0
7r + (-4 * -3 + 2r * -3) + 6 = 0
7r + (12 + -6r) + 6 = 0

Reorder the terms:
12 + 6 + 7r + -6r = 0

Combine like terms: 12 + 6 = 18
18 + 7r + -6r = 0

Combine like terms: 7r + -6r = 1r
18 + 1r = 0

Solving
18 + 1r = 0

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + 1r = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 1r = 0 + -18
1r = 0 + -18

Combine like terms: 0 + -18 = -18
1r = -18

Divide each side by '1'.
r = -18

Simplifying
r = -18

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