(3.5x-10)+x+x+1.5x=74

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Solution for (3.5x-10)+x+x+1.5x=74 equation:


Simplifying
(3.5x + -10) + x + x + 1.5x = 74

Reorder the terms:
(-10 + 3.5x) + x + x + 1.5x = 74

Remove parenthesis around (-10 + 3.5x)
-10 + 3.5x + x + x + 1.5x = 74

Combine like terms: 3.5x + x = 4.5x
-10 + 4.5x + x + 1.5x = 74

Combine like terms: 4.5x + x = 5.5x
-10 + 5.5x + 1.5x = 74

Combine like terms: 5.5x + 1.5x = 7x
-10 + 7x = 74

Solving
-10 + 7x = 74

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 7x = 74 + 10

Combine like terms: -10 + 10 = 0
0 + 7x = 74 + 10
7x = 74 + 10

Combine like terms: 74 + 10 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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