-5R+2(2R+1)=2(5R-1)-7

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Solution for -5R+2(2R+1)=2(5R-1)-7 equation:


Simplifying
-5R + 2(2R + 1) = 2(5R + -1) + -7

Reorder the terms:
-5R + 2(1 + 2R) = 2(5R + -1) + -7
-5R + (1 * 2 + 2R * 2) = 2(5R + -1) + -7
-5R + (2 + 4R) = 2(5R + -1) + -7

Reorder the terms:
2 + -5R + 4R = 2(5R + -1) + -7

Combine like terms: -5R + 4R = -1R
2 + -1R = 2(5R + -1) + -7

Reorder the terms:
2 + -1R = 2(-1 + 5R) + -7
2 + -1R = (-1 * 2 + 5R * 2) + -7
2 + -1R = (-2 + 10R) + -7

Reorder the terms:
2 + -1R = -2 + -7 + 10R

Combine like terms: -2 + -7 = -9
2 + -1R = -9 + 10R

Solving
2 + -1R = -9 + 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.
2 + -1R + -10R = -9 + 10R + -10R

Combine like terms: -1R + -10R = -11R
2 + -11R = -9 + 10R + -10R

Combine like terms: 10R + -10R = 0
2 + -11R = -9 + 0
2 + -11R = -9

Add '-2' to each side of the equation.
2 + -2 + -11R = -9 + -2

Combine like terms: 2 + -2 = 0
0 + -11R = -9 + -2
-11R = -9 + -2

Combine like terms: -9 + -2 = -11
-11R = -11

Divide each side by '-11'.
R = 1

Simplifying
R = 1

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