4x+9+7x+21=162

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Solution for 4x+9+7x+21=162 equation:


Simplifying
4x + 9 + 7x + 21 = 162

Reorder the terms:
9 + 21 + 4x + 7x = 162

Combine like terms: 9 + 21 = 30
30 + 4x + 7x = 162

Combine like terms: 4x + 7x = 11x
30 + 11x = 162

Solving
30 + 11x = 162

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 11x = 162 + -30

Combine like terms: 30 + -30 = 0
0 + 11x = 162 + -30
11x = 162 + -30

Combine like terms: 162 + -30 = 132
11x = 132

Divide each side by '11'.
x = 12

Simplifying
x = 12

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