-9r-10=-(4r+10)

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Solution for -9r-10=-(4r+10) equation:


Simplifying
-9r + -10 = -1(4r + 10)

Reorder the terms:
-10 + -9r = -1(4r + 10)

Reorder the terms:
-10 + -9r = -1(10 + 4r)
-10 + -9r = (10 * -1 + 4r * -1)
-10 + -9r = (-10 + -4r)

Add '10' to each side of the equation.
-10 + 10 + -9r = -10 + 10 + -4r

Combine like terms: -10 + 10 = 0
0 + -9r = -10 + 10 + -4r
-9r = -10 + 10 + -4r

Combine like terms: -10 + 10 = 0
-9r = 0 + -4r
-9r = -4r

Solving
-9r = -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-9r + 4r = -4r + 4r

Combine like terms: -9r + 4r = -5r
-5r = -4r + 4r

Combine like terms: -4r + 4r = 0
-5r = 0

Divide each side by '-5'.
r = 0

Simplifying
r = 0

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