7x+4(4x+15)=-78

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Solution for 7x+4(4x+15)=-78 equation:


Simplifying
7x + 4(4x + 15) = -78

Reorder the terms:
7x + 4(15 + 4x) = -78
7x + (15 * 4 + 4x * 4) = -78
7x + (60 + 16x) = -78

Reorder the terms:
60 + 7x + 16x = -78

Combine like terms: 7x + 16x = 23x
60 + 23x = -78

Solving
60 + 23x = -78

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + 23x = -78 + -60

Combine like terms: 60 + -60 = 0
0 + 23x = -78 + -60
23x = -78 + -60

Combine like terms: -78 + -60 = -138
23x = -138

Divide each side by '23'.
x = -6

Simplifying
x = -6

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