8r-7(3r+2)=-28-6r

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Solution for 8r-7(3r+2)=-28-6r equation:


Simplifying
8r + -7(3r + 2) = -28 + -6r

Reorder the terms:
8r + -7(2 + 3r) = -28 + -6r
8r + (2 * -7 + 3r * -7) = -28 + -6r
8r + (-14 + -21r) = -28 + -6r

Reorder the terms:
-14 + 8r + -21r = -28 + -6r

Combine like terms: 8r + -21r = -13r
-14 + -13r = -28 + -6r

Solving
-14 + -13r = -28 + -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.
-14 + -13r + 6r = -28 + -6r + 6r

Combine like terms: -13r + 6r = -7r
-14 + -7r = -28 + -6r + 6r

Combine like terms: -6r + 6r = 0
-14 + -7r = -28 + 0
-14 + -7r = -28

Add '14' to each side of the equation.
-14 + 14 + -7r = -28 + 14

Combine like terms: -14 + 14 = 0
0 + -7r = -28 + 14
-7r = -28 + 14

Combine like terms: -28 + 14 = -14
-7r = -14

Divide each side by '-7'.
r = 2

Simplifying
r = 2

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