4+2(7r-4)=-116

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Solution for 4+2(7r-4)=-116 equation:


Simplifying
4 + 2(7r + -4) = -116

Reorder the terms:
4 + 2(-4 + 7r) = -116
4 + (-4 * 2 + 7r * 2) = -116
4 + (-8 + 14r) = -116

Combine like terms: 4 + -8 = -4
-4 + 14r = -116

Solving
-4 + 14r = -116

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 14r = -116 + 4

Combine like terms: -4 + 4 = 0
0 + 14r = -116 + 4
14r = -116 + 4

Combine like terms: -116 + 4 = -112
14r = -112

Divide each side by '14'.
r = -8

Simplifying
r = -8

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