3x+1=7(3-x)

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Solution for 3x+1=7(3-x) equation:


Simplifying
3x + 1 = 7(3 + -1x)

Reorder the terms:
1 + 3x = 7(3 + -1x)
1 + 3x = (3 * 7 + -1x * 7)
1 + 3x = (21 + -7x)

Solving
1 + 3x = 21 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
1 + 3x + 7x = 21 + -7x + 7x

Combine like terms: 3x + 7x = 10x
1 + 10x = 21 + -7x + 7x

Combine like terms: -7x + 7x = 0
1 + 10x = 21 + 0
1 + 10x = 21

Add '-1' to each side of the equation.
1 + -1 + 10x = 21 + -1

Combine like terms: 1 + -1 = 0
0 + 10x = 21 + -1
10x = 21 + -1

Combine like terms: 21 + -1 = 20
10x = 20

Divide each side by '10'.
x = 2

Simplifying
x = 2

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