4X+7X+19=3*12-4+(5*16)-8

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Solution for 4X+7X+19=3*12-4+(5*16)-8 equation: 


Simplifying
4X + 7X + 19 = 3 * 12 + -4 + (5 * 16) + -8

Reorder the terms:
19 + 4X + 7X = 3 * 12 + -4 + (5 * 16) + -8

Combine like terms: 4X + 7X = 11X
19 + 11X = 3 * 12 + -4 + (5 * 16) + -8

Multiply 3 * 12
19 + 11X = 36 + -4 + (5 * 16) + -8

Multiply 5 * 16
19 + 11X = 36 + -4 + (80) + -8
19 + 11X = 36 + -4 + 80 + -8

Combine like terms: 36 + -4 = 32
19 + 11X = 32 + 80 + -8

Combine like terms: 32 + 80 = 112
19 + 11X = 112 + -8

Combine like terms: 112 + -8 = 104
19 + 11X = 104

Solving
19 + 11X = 104

Solving for variable 'X'.

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

Add '-19' to each side of the equation.
19 + -19 + 11X = 104 + -19

Combine like terms: 19 + -19 = 0
0 + 11X = 104 + -19
11X = 104 + -19

Combine like terms: 104 + -19 = 85
11X = 85

Divide each side by '11'.
X = 7.727272727

Simplifying
X = 7.727272727

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