7x+3(3x+4)=172

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Solution for 7x+3(3x+4)=172 equation:


Simplifying
7x + 3(3x + 4) = 172

Reorder the terms:
7x + 3(4 + 3x) = 172
7x + (4 * 3 + 3x * 3) = 172
7x + (12 + 9x) = 172

Reorder the terms:
12 + 7x + 9x = 172

Combine like terms: 7x + 9x = 16x
12 + 16x = 172

Solving
12 + 16x = 172

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 + 16x = 172 + -12

Combine like terms: 12 + -12 = 0
0 + 16x = 172 + -12
16x = 172 + -12

Combine like terms: 172 + -12 = 160
16x = 160

Divide each side by '16'.
x = 10

Simplifying
x = 10

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