2r-(r+4)=3r-4

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Solution for 2r-(r+4)=3r-4 equation:


Simplifying
2r + -1(r + 4) = 3r + -4

Reorder the terms:
2r + -1(4 + r) = 3r + -4
2r + (4 * -1 + r * -1) = 3r + -4
2r + (-4 + -1r) = 3r + -4

Reorder the terms:
-4 + 2r + -1r = 3r + -4

Combine like terms: 2r + -1r = 1r
-4 + 1r = 3r + -4

Reorder the terms:
-4 + 1r = -4 + 3r

Add '4' to each side of the equation.
-4 + 4 + 1r = -4 + 4 + 3r

Combine like terms: -4 + 4 = 0
0 + 1r = -4 + 4 + 3r
1r = -4 + 4 + 3r

Combine like terms: -4 + 4 = 0
1r = 0 + 3r
1r = 3r

Solving
1r = 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
1r + -3r = 3r + -3r

Combine like terms: 1r + -3r = -2r
-2r = 3r + -3r

Combine like terms: 3r + -3r = 0
-2r = 0

Divide each side by '-2'.
r = 0

Simplifying
r = 0

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