(-7)-(8)+(-2)(-2)x=0

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Solution for (-7)-(8)+(-2)(-2)x=0 equation: 


Simplifying
(-7) + -1(8) + (-2)(-2) * x = 0
-7 + -1(8) + (-2)(-2) * x = 0

Multiply -1 * 8
-7 + -8 + (-2)(-2) * x = 0

Multiply -2 * -2
-7 + -8 + 4x = 0

Combine like terms: -7 + -8 = -15
-15 + 4x = 0

Solving
-15 + 4x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 4x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 4x = 0 + 15
4x = 0 + 15

Combine like terms: 0 + 15 = 15
4x = 15

Divide each side by '4'.
x = 3.75

Simplifying
x = 3.75

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