(-3)+(-5)-(7)=x

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Solution for (-3)+(-5)-(7)=x equation:


Simplifying
(-3) + (-5) + -1(7) = x
-3 + (-5) + -1(7) = x
-3 + -5 + -1(7) = x

Multiply -1 * 7
-3 + -5 + -7 = x

Combine like terms: -3 + -5 = -8
-8 + -7 = x

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

Solving
-15 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-15 + -1x = x + -1x

Combine like terms: x + -1x = 0
-15 + -1x = 0

Add '15' to each side of the equation.
-15 + 15 + -1x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 0 + 15
-1x = 0 + 15

Combine like terms: 0 + 15 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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