42r-26-10r+7=85

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Solution for 42r-26-10r+7=85 equation:


Simplifying
42r + -26 + -10r + 7 = 85

Reorder the terms:
-26 + 7 + 42r + -10r = 85

Combine like terms: -26 + 7 = -19
-19 + 42r + -10r = 85

Combine like terms: 42r + -10r = 32r
-19 + 32r = 85

Solving
-19 + 32r = 85

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 19 + 32r = 85 + 19

Combine like terms: -19 + 19 = 0
0 + 32r = 85 + 19
32r = 85 + 19

Combine like terms: 85 + 19 = 104
32r = 104

Divide each side by '32'.
r = 3.25

Simplifying
r = 3.25

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