7X+4X+3X+10+10+12=90

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Solution for 7X+4X+3X+10+10+12=90 equation: 


Simplifying
7X + 4X + 3X + 10 + 10 + 12 = 90

Reorder the terms:
10 + 10 + 12 + 7X + 4X + 3X = 90

Combine like terms: 10 + 10 = 20
20 + 12 + 7X + 4X + 3X = 90

Combine like terms: 20 + 12 = 32
32 + 7X + 4X + 3X = 90

Combine like terms: 7X + 4X = 11X
32 + 11X + 3X = 90

Combine like terms: 11X + 3X = 14X
32 + 14X = 90

Solving
32 + 14X = 90

Solving for variable 'X'.

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

Add '-32' to each side of the equation.
32 + -32 + 14X = 90 + -32

Combine like terms: 32 + -32 = 0
0 + 14X = 90 + -32
14X = 90 + -32

Combine like terms: 90 + -32 = 58
14X = 58

Divide each side by '14'.
X = 4.142857143

Simplifying
X = 4.142857143

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