(x+3)+(4x+5)=51

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Solution for (x+3)+(4x+5)=51 equation:


Simplifying
(x + 3) + (4x + 5) = 51

Reorder the terms:
(3 + x) + (4x + 5) = 51

Remove parenthesis around (3 + x)
3 + x + (4x + 5) = 51

Reorder the terms:
3 + x + (5 + 4x) = 51

Remove parenthesis around (5 + 4x)
3 + x + 5 + 4x = 51

Reorder the terms:
3 + 5 + x + 4x = 51

Combine like terms: 3 + 5 = 8
8 + x + 4x = 51

Combine like terms: x + 4x = 5x
8 + 5x = 51

Solving
8 + 5x = 51

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 5x = 51 + -8

Combine like terms: 8 + -8 = 0
0 + 5x = 51 + -8
5x = 51 + -8

Combine like terms: 51 + -8 = 43
5x = 43

Divide each side by '5'.
x = 8.6

Simplifying
x = 8.6

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