10(3x-10)+80=100

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Solution for 10(3x-10)+80=100 equation:


Simplifying
10(3x + -10) + 80 = 100

Reorder the terms:
10(-10 + 3x) + 80 = 100
(-10 * 10 + 3x * 10) + 80 = 100
(-100 + 30x) + 80 = 100

Reorder the terms:
-100 + 80 + 30x = 100

Combine like terms: -100 + 80 = -20
-20 + 30x = 100

Solving
-20 + 30x = 100

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 30x = 100 + 20

Combine like terms: -20 + 20 = 0
0 + 30x = 100 + 20
30x = 100 + 20

Combine like terms: 100 + 20 = 120
30x = 120

Divide each side by '30'.
x = 4

Simplifying
x = 4

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