2r+12=3+4x-7

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Solution for 2r+12=3+4x-7 equation:


Simplifying
2r + 12 = 3 + 4x + -7

Reorder the terms:
12 + 2r = 3 + 4x + -7

Reorder the terms:
12 + 2r = 3 + -7 + 4x

Combine like terms: 3 + -7 = -4
12 + 2r = -4 + 4x

Solving
12 + 2r = -4 + 4x

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 2r = -4 + -12 + 4x

Combine like terms: 12 + -12 = 0
0 + 2r = -4 + -12 + 4x
2r = -4 + -12 + 4x

Combine like terms: -4 + -12 = -16
2r = -16 + 4x

Divide each side by '2'.
r = -8 + 2x

Simplifying
r = -8 + 2x

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