7(3x+9)=-(x-3)

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Solution for 7(3x+9)=-(x-3) equation:


Simplifying
7(3x + 9) = -1(x + -3)

Reorder the terms:
7(9 + 3x) = -1(x + -3)
(9 * 7 + 3x * 7) = -1(x + -3)
(63 + 21x) = -1(x + -3)

Reorder the terms:
63 + 21x = -1(-3 + x)
63 + 21x = (-3 * -1 + x * -1)
63 + 21x = (3 + -1x)

Solving
63 + 21x = 3 + -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.
63 + 21x + x = 3 + -1x + x

Combine like terms: 21x + x = 22x
63 + 22x = 3 + -1x + x

Combine like terms: -1x + x = 0
63 + 22x = 3 + 0
63 + 22x = 3

Add '-63' to each side of the equation.
63 + -63 + 22x = 3 + -63

Combine like terms: 63 + -63 = 0
0 + 22x = 3 + -63
22x = 3 + -63

Combine like terms: 3 + -63 = -60
22x = -60

Divide each side by '22'.
x = -2.727272727

Simplifying
x = -2.727272727

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