7x+50+2x+100=90

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Solution for 7x+50+2x+100=90 equation:


Simplifying
7x + 50 + 2x + 100 = 90

Reorder the terms:
50 + 100 + 7x + 2x = 90

Combine like terms: 50 + 100 = 150
150 + 7x + 2x = 90

Combine like terms: 7x + 2x = 9x
150 + 9x = 90

Solving
150 + 9x = 90

Solving for variable 'x'.

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

Add '-150' to each side of the equation.
150 + -150 + 9x = 90 + -150

Combine like terms: 150 + -150 = 0
0 + 9x = 90 + -150
9x = 90 + -150

Combine like terms: 90 + -150 = -60
9x = -60

Divide each side by '9'.
x = -6.666666667

Simplifying
x = -6.666666667

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