3r-5=2(-4-9)

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Solution for 3r-5=2(-4-9) equation:


Simplifying
3r + -5 = 2(-4 + -9)

Reorder the terms:
-5 + 3r = 2(-4 + -9)

Combine like terms: -4 + -9 = -13
-5 + 3r = 2(-13)

Multiply 2 * -13
-5 + 3r = -26

Solving
-5 + 3r = -26

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 3r = -26 + 5

Combine like terms: -5 + 5 = 0
0 + 3r = -26 + 5
3r = -26 + 5

Combine like terms: -26 + 5 = -21
3r = -21

Divide each side by '3'.
r = -7

Simplifying
r = -7

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