3x+4x+2x-7=90

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Solution for 3x+4x+2x-7=90 equation:


Simplifying
3x + 4x + 2x + -7 = 90

Reorder the terms:
-7 + 3x + 4x + 2x = 90

Combine like terms: 3x + 4x = 7x
-7 + 7x + 2x = 90

Combine like terms: 7x + 2x = 9x
-7 + 9x = 90

Solving
-7 + 9x = 90

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 + 9x = 90 + 7

Combine like terms: -7 + 7 = 0
0 + 9x = 90 + 7
9x = 90 + 7

Combine like terms: 90 + 7 = 97
9x = 97

Divide each side by '9'.
x = 10.77777778

Simplifying
x = 10.77777778

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