3x+7+4x+2=51

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Solution for 3x+7+4x+2=51 equation:


Simplifying
3x + 7 + 4x + 2 = 51

Reorder the terms:
7 + 2 + 3x + 4x = 51

Combine like terms: 7 + 2 = 9
9 + 3x + 4x = 51

Combine like terms: 3x + 4x = 7x
9 + 7x = 51

Solving
9 + 7x = 51

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = 51 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 51 + -9
7x = 51 + -9

Combine like terms: 51 + -9 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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