3+r=4*7

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Solution for 3+r=4*7 equation: 


Simplifying
3 + r = 4 * 7

Multiply 4 * 7
3 + r = 28

Solving
3 + r = 28

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + r = 28 + -3

Combine like terms: 3 + -3 = 0
0 + r = 28 + -3
r = 28 + -3

Combine like terms: 28 + -3 = 25
r = 25

Simplifying
r = 25

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