r+9+7r=4(3+4r)-3

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Solution for r+9+7r=4(3+4r)-3 equation:


Simplifying
r + 9 + 7r = 4(3 + 4r) + -3

Reorder the terms:
9 + r + 7r = 4(3 + 4r) + -3

Combine like terms: r + 7r = 8r
9 + 8r = 4(3 + 4r) + -3
9 + 8r = (3 * 4 + 4r * 4) + -3
9 + 8r = (12 + 16r) + -3

Reorder the terms:
9 + 8r = 12 + -3 + 16r

Combine like terms: 12 + -3 = 9
9 + 8r = 9 + 16r

Add '-9' to each side of the equation.
9 + -9 + 8r = 9 + -9 + 16r

Combine like terms: 9 + -9 = 0
0 + 8r = 9 + -9 + 16r
8r = 9 + -9 + 16r

Combine like terms: 9 + -9 = 0
8r = 0 + 16r
8r = 16r

Solving
8r = 16r

Solving for variable 'r'.

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

Add '-16r' to each side of the equation.
8r + -16r = 16r + -16r

Combine like terms: 8r + -16r = -8r
-8r = 16r + -16r

Combine like terms: 16r + -16r = 0
-8r = 0

Divide each side by '-8'.
r = 0

Simplifying
r = 0

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