-3(x-7)=4(9-2x)

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Solution for -3(x-7)=4(9-2x) equation:


Simplifying
-3(x + -7) = 4(9 + -2x)

Reorder the terms:
-3(-7 + x) = 4(9 + -2x)
(-7 * -3 + x * -3) = 4(9 + -2x)
(21 + -3x) = 4(9 + -2x)
21 + -3x = (9 * 4 + -2x * 4)
21 + -3x = (36 + -8x)

Solving
21 + -3x = 36 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
21 + -3x + 8x = 36 + -8x + 8x

Combine like terms: -3x + 8x = 5x
21 + 5x = 36 + -8x + 8x

Combine like terms: -8x + 8x = 0
21 + 5x = 36 + 0
21 + 5x = 36

Add '-21' to each side of the equation.
21 + -21 + 5x = 36 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 36 + -21
5x = 36 + -21

Combine like terms: 36 + -21 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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