7(4-6r)+7(-r-4)=8r+4r

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Solution for 7(4-6r)+7(-r-4)=8r+4r equation:


Simplifying
7(4 + -6r) + 7(-1r + -4) = 8r + 4r
(4 * 7 + -6r * 7) + 7(-1r + -4) = 8r + 4r
(28 + -42r) + 7(-1r + -4) = 8r + 4r

Reorder the terms:
28 + -42r + 7(-4 + -1r) = 8r + 4r
28 + -42r + (-4 * 7 + -1r * 7) = 8r + 4r
28 + -42r + (-28 + -7r) = 8r + 4r

Reorder the terms:
28 + -28 + -42r + -7r = 8r + 4r

Combine like terms: 28 + -28 = 0
0 + -42r + -7r = 8r + 4r
-42r + -7r = 8r + 4r

Combine like terms: -42r + -7r = -49r
-49r = 8r + 4r

Combine like terms: 8r + 4r = 12r
-49r = 12r

Solving
-49r = 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
-49r + -12r = 12r + -12r

Combine like terms: -49r + -12r = -61r
-61r = 12r + -12r

Combine like terms: 12r + -12r = 0
-61r = 0

Divide each side by '-61'.
r = 0

Simplifying
r = 0

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