4x+4(x+3)=100

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Solution for 4x+4(x+3)=100 equation:


Simplifying
4x + 4(x + 3) = 100

Reorder the terms:
4x + 4(3 + x) = 100
4x + (3 * 4 + x * 4) = 100
4x + (12 + 4x) = 100

Reorder the terms:
12 + 4x + 4x = 100

Combine like terms: 4x + 4x = 8x
12 + 8x = 100

Solving
12 + 8x = 100

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 8x = 100 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 100 + -12
8x = 100 + -12

Combine like terms: 100 + -12 = 88
8x = 88

Divide each side by '8'.
x = 11

Simplifying
x = 11

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