(11+15+7+x)4=12

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Solution for (11+15+7+x)4=12 equation:


Simplifying
(11 + 15 + 7 + x) * 4 = 12

Combine like terms: 11 + 15 = 26
(26 + 7 + x) * 4 = 12

Combine like terms: 26 + 7 = 33
(33 + x) * 4 = 12

Reorder the terms for easier multiplication:
4(33 + x) = 12
(33 * 4 + x * 4) = 12
(132 + 4x) = 12

Solving
132 + 4x = 12

Solving for variable 'x'.

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

Add '-132' to each side of the equation.
132 + -132 + 4x = 12 + -132

Combine like terms: 132 + -132 = 0
0 + 4x = 12 + -132
4x = 12 + -132

Combine like terms: 12 + -132 = -120
4x = -120

Divide each side by '4'.
x = -30

Simplifying
x = -30

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