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

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


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

Reorder the terms:
4(6 + 2r) + 7r + 3 = 0
(6 * 4 + 2r * 4) + 7r + 3 = 0
(24 + 8r) + 7r + 3 = 0

Reorder the terms:
24 + 3 + 8r + 7r = 0

Combine like terms: 24 + 3 = 27
27 + 8r + 7r = 0

Combine like terms: 8r + 7r = 15r
27 + 15r = 0

Solving
27 + 15r = 0

Solving for variable 'r'.

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

Add '-27' to each side of the equation.
27 + -27 + 15r = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 15r = 0 + -27
15r = 0 + -27

Combine like terms: 0 + -27 = -27
15r = -27

Divide each side by '15'.
r = -1.8

Simplifying
r = -1.8

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