7x+1+90+9x-7=180

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Solution for 7x+1+90+9x-7=180 equation:


Simplifying
7x + 1 + 90 + 9x + -7 = 180

Reorder the terms:
1 + 90 + -7 + 7x + 9x = 180

Combine like terms: 1 + 90 = 91
91 + -7 + 7x + 9x = 180

Combine like terms: 91 + -7 = 84
84 + 7x + 9x = 180

Combine like terms: 7x + 9x = 16x
84 + 16x = 180

Solving
84 + 16x = 180

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + 16x = 180 + -84

Combine like terms: 84 + -84 = 0
0 + 16x = 180 + -84
16x = 180 + -84

Combine like terms: 180 + -84 = 96
16x = 96

Divide each side by '16'.
x = 6

Simplifying
x = 6

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