7-3(x-4)=20

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Solution for 7-3(x-4)=20 equation:


Simplifying
7 + -3(x + -4) = 20

Reorder the terms:
7 + -3(-4 + x) = 20
7 + (-4 * -3 + x * -3) = 20
7 + (12 + -3x) = 20

Combine like terms: 7 + 12 = 19
19 + -3x = 20

Solving
19 + -3x = 20

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -3x = 20 + -19

Combine like terms: 19 + -19 = 0
0 + -3x = 20 + -19
-3x = 20 + -19

Combine like terms: 20 + -19 = 1
-3x = 1

Divide each side by '-3'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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