x-(-4.21)=-2.78

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Solution for x-(-4.21)=-2.78 equation: 


Simplifying
x + -1(-4.21) = -2.78

Multiply -1 * -4.21
x + 4.21 = -2.78

Reorder the terms:
4.21 + x = -2.78

Solving
4.21 + x = -2.78

Solving for variable 'x'.

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

Add '-4.21' to each side of the equation.
4.21 + -4.21 + x = -2.78 + -4.21

Combine like terms: 4.21 + -4.21 = 0.00
0.00 + x = -2.78 + -4.21
x = -2.78 + -4.21

Combine like terms: -2.78 + -4.21 = -6.99
x = -6.99

Simplifying
x = -6.99

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