2(r-2)=3r-7(3-r)

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Solution for 2(r-2)=3r-7(3-r) equation:


Simplifying
2(r + -2) = 3r + -7(3 + -1r)

Reorder the terms:
2(-2 + r) = 3r + -7(3 + -1r)
(-2 * 2 + r * 2) = 3r + -7(3 + -1r)
(-4 + 2r) = 3r + -7(3 + -1r)
-4 + 2r = 3r + (3 * -7 + -1r * -7)
-4 + 2r = 3r + (-21 + 7r)

Reorder the terms:
-4 + 2r = -21 + 3r + 7r

Combine like terms: 3r + 7r = 10r
-4 + 2r = -21 + 10r

Solving
-4 + 2r = -21 + 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.
-4 + 2r + -10r = -21 + 10r + -10r

Combine like terms: 2r + -10r = -8r
-4 + -8r = -21 + 10r + -10r

Combine like terms: 10r + -10r = 0
-4 + -8r = -21 + 0
-4 + -8r = -21

Add '4' to each side of the equation.
-4 + 4 + -8r = -21 + 4

Combine like terms: -4 + 4 = 0
0 + -8r = -21 + 4
-8r = -21 + 4

Combine like terms: -21 + 4 = -17
-8r = -17

Divide each side by '-8'.
r = 2.125

Simplifying
r = 2.125

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