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

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


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

Combine like terms: 3 + -8 = -5
7 + -3r = -5 + -4r

Solving
7 + -3r = -5 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
7 + -3r + 4r = -5 + -4r + 4r

Combine like terms: -3r + 4r = 1r
7 + 1r = -5 + -4r + 4r

Combine like terms: -4r + 4r = 0
7 + 1r = -5 + 0
7 + 1r = -5

Add '-7' to each side of the equation.
7 + -7 + 1r = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = -5 + -7
1r = -5 + -7

Combine like terms: -5 + -7 = -12
1r = -12

Divide each side by '1'.
r = -12

Simplifying
r = -12

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