7x+4+9x+3=55

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Solution for 7x+4+9x+3=55 equation:


Simplifying
7x + 4 + 9x + 3 = 55

Reorder the terms:
4 + 3 + 7x + 9x = 55

Combine like terms: 4 + 3 = 7
7 + 7x + 9x = 55

Combine like terms: 7x + 9x = 16x
7 + 16x = 55

Solving
7 + 16x = 55

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 16x = 55 + -7

Combine like terms: 7 + -7 = 0
0 + 16x = 55 + -7
16x = 55 + -7

Combine like terms: 55 + -7 = 48
16x = 48

Divide each side by '16'.
x = 3

Simplifying
x = 3

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