7x-3(20-x)=

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


Simplifying
7x + -3(20 + -1x) = 0
7x + (20 * -3 + -1x * -3) = 0
7x + (-60 + 3x) = 0

Reorder the terms:
-60 + 7x + 3x = 0

Combine like terms: 7x + 3x = 10x
-60 + 10x = 0

Solving
-60 + 10x = 0

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 10x = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 10x = 0 + 60
10x = 0 + 60

Combine like terms: 0 + 60 = 60
10x = 60

Divide each side by '10'.
x = 6

Simplifying
x = 6

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