4x+1=-(x+21)

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Solution for 4x+1=-(x+21) equation:


Simplifying
4x + 1 = -1(x + 21)

Reorder the terms:
1 + 4x = -1(x + 21)

Reorder the terms:
1 + 4x = -1(21 + x)
1 + 4x = (21 * -1 + x * -1)
1 + 4x = (-21 + -1x)

Solving
1 + 4x = -21 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
1 + 4x + x = -21 + -1x + x

Combine like terms: 4x + x = 5x
1 + 5x = -21 + -1x + x

Combine like terms: -1x + x = 0
1 + 5x = -21 + 0
1 + 5x = -21

Add '-1' to each side of the equation.
1 + -1 + 5x = -21 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = -21 + -1
5x = -21 + -1

Combine like terms: -21 + -1 = -22
5x = -22

Divide each side by '5'.
x = -4.4

Simplifying
x = -4.4

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