10(2r-1)-8=2r-10(5-2r)

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Solution for 10(2r-1)-8=2r-10(5-2r) equation:


Simplifying
10(2r + -1) + -8 = 2r + -10(5 + -2r)

Reorder the terms:
10(-1 + 2r) + -8 = 2r + -10(5 + -2r)
(-1 * 10 + 2r * 10) + -8 = 2r + -10(5 + -2r)
(-10 + 20r) + -8 = 2r + -10(5 + -2r)

Reorder the terms:
-10 + -8 + 20r = 2r + -10(5 + -2r)

Combine like terms: -10 + -8 = -18
-18 + 20r = 2r + -10(5 + -2r)
-18 + 20r = 2r + (5 * -10 + -2r * -10)
-18 + 20r = 2r + (-50 + 20r)

Reorder the terms:
-18 + 20r = -50 + 2r + 20r

Combine like terms: 2r + 20r = 22r
-18 + 20r = -50 + 22r

Solving
-18 + 20r = -50 + 22r

Solving for variable 'r'.

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

Add '-22r' to each side of the equation.
-18 + 20r + -22r = -50 + 22r + -22r

Combine like terms: 20r + -22r = -2r
-18 + -2r = -50 + 22r + -22r

Combine like terms: 22r + -22r = 0
-18 + -2r = -50 + 0
-18 + -2r = -50

Add '18' to each side of the equation.
-18 + 18 + -2r = -50 + 18

Combine like terms: -18 + 18 = 0
0 + -2r = -50 + 18
-2r = -50 + 18

Combine like terms: -50 + 18 = -32
-2r = -32

Divide each side by '-2'.
r = 16

Simplifying
r = 16

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