3(2R-7)+4(5-2R)=5(R-2)-54

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Solution for 3(2R-7)+4(5-2R)=5(R-2)-54 equation:


Simplifying
3(2R + -7) + 4(5 + -2R) = 5(R + -2) + -54

Reorder the terms:
3(-7 + 2R) + 4(5 + -2R) = 5(R + -2) + -54
(-7 * 3 + 2R * 3) + 4(5 + -2R) = 5(R + -2) + -54
(-21 + 6R) + 4(5 + -2R) = 5(R + -2) + -54
-21 + 6R + (5 * 4 + -2R * 4) = 5(R + -2) + -54
-21 + 6R + (20 + -8R) = 5(R + -2) + -54

Reorder the terms:
-21 + 20 + 6R + -8R = 5(R + -2) + -54

Combine like terms: -21 + 20 = -1
-1 + 6R + -8R = 5(R + -2) + -54

Combine like terms: 6R + -8R = -2R
-1 + -2R = 5(R + -2) + -54

Reorder the terms:
-1 + -2R = 5(-2 + R) + -54
-1 + -2R = (-2 * 5 + R * 5) + -54
-1 + -2R = (-10 + 5R) + -54

Reorder the terms:
-1 + -2R = -10 + -54 + 5R

Combine like terms: -10 + -54 = -64
-1 + -2R = -64 + 5R

Solving
-1 + -2R = -64 + 5R

Solving for variable 'R'.

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

Add '-5R' to each side of the equation.
-1 + -2R + -5R = -64 + 5R + -5R

Combine like terms: -2R + -5R = -7R
-1 + -7R = -64 + 5R + -5R

Combine like terms: 5R + -5R = 0
-1 + -7R = -64 + 0
-1 + -7R = -64

Add '1' to each side of the equation.
-1 + 1 + -7R = -64 + 1

Combine like terms: -1 + 1 = 0
0 + -7R = -64 + 1
-7R = -64 + 1

Combine like terms: -64 + 1 = -63
-7R = -63

Divide each side by '-7'.
R = 9

Simplifying
R = 9

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