7x+1=100-2x

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Solution for 7x+1=100-2x equation:


Simplifying
7x + 1 = 100 + -2x

Reorder the terms:
1 + 7x = 100 + -2x

Solving
1 + 7x = 100 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
1 + 7x + 2x = 100 + -2x + 2x

Combine like terms: 7x + 2x = 9x
1 + 9x = 100 + -2x + 2x

Combine like terms: -2x + 2x = 0
1 + 9x = 100 + 0
1 + 9x = 100

Add '-1' to each side of the equation.
1 + -1 + 9x = 100 + -1

Combine like terms: 1 + -1 = 0
0 + 9x = 100 + -1
9x = 100 + -1

Combine like terms: 100 + -1 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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