-7-8r=1-6r-4

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Solution for -7-8r=1-6r-4 equation:


Simplifying
-7 + -8r = 1 + -6r + -4

Reorder the terms:
-7 + -8r = 1 + -4 + -6r

Combine like terms: 1 + -4 = -3
-7 + -8r = -3 + -6r

Solving
-7 + -8r = -3 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-7 + -8r + 6r = -3 + -6r + 6r

Combine like terms: -8r + 6r = -2r
-7 + -2r = -3 + -6r + 6r

Combine like terms: -6r + 6r = 0
-7 + -2r = -3 + 0
-7 + -2r = -3

Add '7' to each side of the equation.
-7 + 7 + -2r = -3 + 7

Combine like terms: -7 + 7 = 0
0 + -2r = -3 + 7
-2r = -3 + 7

Combine like terms: -3 + 7 = 4
-2r = 4

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

Simplifying
r = -2

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