7x-20=3(2x-7)

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Solution for 7x-20=3(2x-7) equation:


Simplifying
7x + -20 = 3(2x + -7)

Reorder the terms:
-20 + 7x = 3(2x + -7)

Reorder the terms:
-20 + 7x = 3(-7 + 2x)
-20 + 7x = (-7 * 3 + 2x * 3)
-20 + 7x = (-21 + 6x)

Solving
-20 + 7x = -21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-20 + 7x + -6x = -21 + 6x + -6x

Combine like terms: 7x + -6x = 1x
-20 + 1x = -21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-20 + 1x = -21 + 0
-20 + 1x = -21

Add '20' to each side of the equation.
-20 + 20 + 1x = -21 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = -21 + 20
1x = -21 + 20

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

Divide each side by '1'.
x = -1

Simplifying
x = -1

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