7(-4)+7=x

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


Simplifying
7(-4) + 7 = x

Multiply 7 * -4
-28 + 7 = x

Combine like terms: -28 + 7 = -21
-21 = x

Solving
-21 = 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.
-21 + -1x = x + -1x

Combine like terms: x + -1x = 0
-21 + -1x = 0

Add '21' to each side of the equation.
-21 + 21 + -1x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -1x = 0 + 21
-1x = 0 + 21

Combine like terms: 0 + 21 = 21
-1x = 21

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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