4(2-r)=-3r+7

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Solution for 4(2-r)=-3r+7 equation:


Simplifying
4(2 + -1r) = -3r + 7
(2 * 4 + -1r * 4) = -3r + 7
(8 + -4r) = -3r + 7

Reorder the terms:
8 + -4r = 7 + -3r

Solving
8 + -4r = 7 + -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.
8 + -4r + 3r = 7 + -3r + 3r

Combine like terms: -4r + 3r = -1r
8 + -1r = 7 + -3r + 3r

Combine like terms: -3r + 3r = 0
8 + -1r = 7 + 0
8 + -1r = 7

Add '-8' to each side of the equation.
8 + -8 + -1r = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -1r = 7 + -8
-1r = 7 + -8

Combine like terms: 7 + -8 = -1
-1r = -1

Divide each side by '-1'.
r = 1

Simplifying
r = 1

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