7x+1=2x+20

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Solution for 7x+1=2x+20 equation:


Simplifying
7x + 1 = 2x + 20

Reorder the terms:
1 + 7x = 2x + 20

Reorder the terms:
1 + 7x = 20 + 2x

Solving
1 + 7x = 20 + 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 = 20 + 2x + -2x

Combine like terms: 7x + -2x = 5x
1 + 5x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
1 + 5x = 20 + 0
1 + 5x = 20

Add '-1' to each side of the equation.
1 + -1 + 5x = 20 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = 20 + -1
5x = 20 + -1

Combine like terms: 20 + -1 = 19
5x = 19

Divide each side by '5'.
x = 3.8

Simplifying
x = 3.8

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