7x+3(3x+16)=128

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Solution for 7x+3(3x+16)=128 equation:


Simplifying
7x + 3(3x + 16) = 128

Reorder the terms:
7x + 3(16 + 3x) = 128
7x + (16 * 3 + 3x * 3) = 128
7x + (48 + 9x) = 128

Reorder the terms:
48 + 7x + 9x = 128

Combine like terms: 7x + 9x = 16x
48 + 16x = 128

Solving
48 + 16x = 128

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 16x = 128 + -48

Combine like terms: 48 + -48 = 0
0 + 16x = 128 + -48
16x = 128 + -48

Combine like terms: 128 + -48 = 80
16x = 80

Divide each side by '16'.
x = 5

Simplifying
x = 5

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