3r-26=-42+7r

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Solution for 3r-26=-42+7r equation:


Simplifying
3r + -26 = -42 + 7r

Reorder the terms:
-26 + 3r = -42 + 7r

Solving
-26 + 3r = -42 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-26 + 3r + -7r = -42 + 7r + -7r

Combine like terms: 3r + -7r = -4r
-26 + -4r = -42 + 7r + -7r

Combine like terms: 7r + -7r = 0
-26 + -4r = -42 + 0
-26 + -4r = -42

Add '26' to each side of the equation.
-26 + 26 + -4r = -42 + 26

Combine like terms: -26 + 26 = 0
0 + -4r = -42 + 26
-4r = -42 + 26

Combine like terms: -42 + 26 = -16
-4r = -16

Divide each side by '-4'.
r = 4

Simplifying
r = 4

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