7r*2+18r+8=

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Solution for 7r*2+18r+8= equation:


Simplifying
7r * 2 + 18r + 8 = 0

Reorder the terms for easier multiplication:
7 * 2r + 18r + 8 = 0

Multiply 7 * 2
14r + 18r + 8 = 0

Reorder the terms:
8 + 14r + 18r = 0

Combine like terms: 14r + 18r = 32r
8 + 32r = 0

Solving
8 + 32r = 0

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 32r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 32r = 0 + -8
32r = 0 + -8

Combine like terms: 0 + -8 = -8
32r = -8

Divide each side by '32'.
r = -0.25

Simplifying
r = -0.25

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