9r+4=7r+4

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Solution for 9r+4=7r+4 equation:


Simplifying
9r + 4 = 7r + 4

Reorder the terms:
4 + 9r = 7r + 4

Reorder the terms:
4 + 9r = 4 + 7r

Add '-4' to each side of the equation.
4 + -4 + 9r = 4 + -4 + 7r

Combine like terms: 4 + -4 = 0
0 + 9r = 4 + -4 + 7r
9r = 4 + -4 + 7r

Combine like terms: 4 + -4 = 0
9r = 0 + 7r
9r = 7r

Solving
9r = 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
9r + -7r = 7r + -7r

Combine like terms: 9r + -7r = 2r
2r = 7r + -7r

Combine like terms: 7r + -7r = 0
2r = 0

Divide each side by '2'.
r = 0

Simplifying
r = 0

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