3(7-2x)=30-7(x+1)

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Solution for 3(7-2x)=30-7(x+1) equation:


Simplifying
3(7 + -2x) = 30 + -7(x + 1)
(7 * 3 + -2x * 3) = 30 + -7(x + 1)
(21 + -6x) = 30 + -7(x + 1)

Reorder the terms:
21 + -6x = 30 + -7(1 + x)
21 + -6x = 30 + (1 * -7 + x * -7)
21 + -6x = 30 + (-7 + -7x)

Combine like terms: 30 + -7 = 23
21 + -6x = 23 + -7x

Solving
21 + -6x = 23 + -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.
21 + -6x + 7x = 23 + -7x + 7x

Combine like terms: -6x + 7x = 1x
21 + 1x = 23 + -7x + 7x

Combine like terms: -7x + 7x = 0
21 + 1x = 23 + 0
21 + 1x = 23

Add '-21' to each side of the equation.
21 + -21 + 1x = 23 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 23 + -21
1x = 23 + -21

Combine like terms: 23 + -21 = 2
1x = 2

Divide each side by '1'.
x = 2

Simplifying
x = 2

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