4r+7=3r-18

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Solution for 4r+7=3r-18 equation:


Simplifying
4r + 7 = 3r + -18

Reorder the terms:
7 + 4r = 3r + -18

Reorder the terms:
7 + 4r = -18 + 3r

Solving
7 + 4r = -18 + 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.
7 + 4r + -3r = -18 + 3r + -3r

Combine like terms: 4r + -3r = 1r
7 + 1r = -18 + 3r + -3r

Combine like terms: 3r + -3r = 0
7 + 1r = -18 + 0
7 + 1r = -18

Add '-7' to each side of the equation.
7 + -7 + 1r = -18 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = -18 + -7
1r = -18 + -7

Combine like terms: -18 + -7 = -25
1r = -25

Divide each side by '1'.
r = -25

Simplifying
r = -25

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