3R+90=2R-10

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Solution for 3R+90=2R-10 equation:


Simplifying
3R + 90 = 2R + -10

Reorder the terms:
90 + 3R = 2R + -10

Reorder the terms:
90 + 3R = -10 + 2R

Solving
90 + 3R = -10 + 2R

Solving for variable 'R'.

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

Add '-2R' to each side of the equation.
90 + 3R + -2R = -10 + 2R + -2R

Combine like terms: 3R + -2R = 1R
90 + 1R = -10 + 2R + -2R

Combine like terms: 2R + -2R = 0
90 + 1R = -10 + 0
90 + 1R = -10

Add '-90' to each side of the equation.
90 + -90 + 1R = -10 + -90

Combine like terms: 90 + -90 = 0
0 + 1R = -10 + -90
1R = -10 + -90

Combine like terms: -10 + -90 = -100
1R = -100

Divide each side by '1'.
R = -100

Simplifying
R = -100

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