2(15r+5)+17=7(7r-18)

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Solution for 2(15r+5)+17=7(7r-18) equation:


Simplifying
2(15r + 5) + 17 = 7(7r + -18)

Reorder the terms:
2(5 + 15r) + 17 = 7(7r + -18)
(5 * 2 + 15r * 2) + 17 = 7(7r + -18)
(10 + 30r) + 17 = 7(7r + -18)

Reorder the terms:
10 + 17 + 30r = 7(7r + -18)

Combine like terms: 10 + 17 = 27
27 + 30r = 7(7r + -18)

Reorder the terms:
27 + 30r = 7(-18 + 7r)
27 + 30r = (-18 * 7 + 7r * 7)
27 + 30r = (-126 + 49r)

Solving
27 + 30r = -126 + 49r

Solving for variable 'r'.

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

Add '-49r' to each side of the equation.
27 + 30r + -49r = -126 + 49r + -49r

Combine like terms: 30r + -49r = -19r
27 + -19r = -126 + 49r + -49r

Combine like terms: 49r + -49r = 0
27 + -19r = -126 + 0
27 + -19r = -126

Add '-27' to each side of the equation.
27 + -27 + -19r = -126 + -27

Combine like terms: 27 + -27 = 0
0 + -19r = -126 + -27
-19r = -126 + -27

Combine like terms: -126 + -27 = -153
-19r = -153

Divide each side by '-19'.
r = 8.052631579

Simplifying
r = 8.052631579

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