42=-7(x-4)

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Solution for 42=-7(x-4) equation:


Simplifying
42 = -7(x + -4)

Reorder the terms:
42 = -7(-4 + x)
42 = (-4 * -7 + x * -7)
42 = (28 + -7x)

Solving
42 = 28 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
42 + 7x = 28 + -7x + 7x

Combine like terms: -7x + 7x = 0
42 + 7x = 28 + 0
42 + 7x = 28

Add '-42' to each side of the equation.
42 + -42 + 7x = 28 + -42

Combine like terms: 42 + -42 = 0
0 + 7x = 28 + -42
7x = 28 + -42

Combine like terms: 28 + -42 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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