3(x-5)+4x=20

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Solution for 3(x-5)+4x=20 equation:


Simplifying
3(x + -5) + 4x = 20

Reorder the terms:
3(-5 + x) + 4x = 20
(-5 * 3 + x * 3) + 4x = 20
(-15 + 3x) + 4x = 20

Combine like terms: 3x + 4x = 7x
-15 + 7x = 20

Solving
-15 + 7x = 20

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 7x = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 7x = 20 + 15
7x = 20 + 15

Combine like terms: 20 + 15 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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