1r-10=4+5(2r-1)

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Solution for 1r-10=4+5(2r-1) equation:


Simplifying
1r + -10 = 4 + 5(2r + -1)

Reorder the terms:
-10 + 1r = 4 + 5(2r + -1)

Reorder the terms:
-10 + 1r = 4 + 5(-1 + 2r)
-10 + 1r = 4 + (-1 * 5 + 2r * 5)
-10 + 1r = 4 + (-5 + 10r)

Combine like terms: 4 + -5 = -1
-10 + 1r = -1 + 10r

Solving
-10 + 1r = -1 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
-10 + 1r + -10r = -1 + 10r + -10r

Combine like terms: 1r + -10r = -9r
-10 + -9r = -1 + 10r + -10r

Combine like terms: 10r + -10r = 0
-10 + -9r = -1 + 0
-10 + -9r = -1

Add '10' to each side of the equation.
-10 + 10 + -9r = -1 + 10

Combine like terms: -10 + 10 = 0
0 + -9r = -1 + 10
-9r = -1 + 10

Combine like terms: -1 + 10 = 9
-9r = 9

Divide each side by '-9'.
r = -1

Simplifying
r = -1

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