7(3-x)=8(-2x)

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Solution for 7(3-x)=8(-2x) equation:


Simplifying
7(3 + -1x) = 8(-2x)
(3 * 7 + -1x * 7) = 8(-2x)
(21 + -7x) = 8(-2x)

Remove parenthesis around (-2x)
21 + -7x = 8 * -2x

Multiply 8 * -2
21 + -7x = -16x

Solving
21 + -7x = -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
21 + -7x + 16x = -16x + 16x

Combine like terms: -7x + 16x = 9x
21 + 9x = -16x + 16x

Combine like terms: -16x + 16x = 0
21 + 9x = 0

Add '-21' to each side of the equation.
21 + -21 + 9x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = 0 + -21
9x = 0 + -21

Combine like terms: 0 + -21 = -21
9x = -21

Divide each side by '9'.
x = -2.333333333

Simplifying
x = -2.333333333

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