19x+3+4+12x=100

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Solution for 19x+3+4+12x=100 equation:


Simplifying
19x + 3 + 4 + 12x = 100

Reorder the terms:
3 + 4 + 19x + 12x = 100

Combine like terms: 3 + 4 = 7
7 + 19x + 12x = 100

Combine like terms: 19x + 12x = 31x
7 + 31x = 100

Solving
7 + 31x = 100

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 + 31x = 100 + -7

Combine like terms: 7 + -7 = 0
0 + 31x = 100 + -7
31x = 100 + -7

Combine like terms: 100 + -7 = 93
31x = 93

Divide each side by '31'.
x = 3

Simplifying
x = 3

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