(7+x)*(-4)=3(5-2x)

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Solution for (7+x)*(-4)=3(5-2x) equation:


Simplifying
(7 + x)(-4) = 3(5 + -2x)

Reorder the terms for easier multiplication:
-4(7 + x) = 3(5 + -2x)
(7 * -4 + x * -4) = 3(5 + -2x)
(-28 + -4x) = 3(5 + -2x)
-28 + -4x = (5 * 3 + -2x * 3)
-28 + -4x = (15 + -6x)

Solving
-28 + -4x = 15 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-28 + -4x + 6x = 15 + -6x + 6x

Combine like terms: -4x + 6x = 2x
-28 + 2x = 15 + -6x + 6x

Combine like terms: -6x + 6x = 0
-28 + 2x = 15 + 0
-28 + 2x = 15

Add '28' to each side of the equation.
-28 + 28 + 2x = 15 + 28

Combine like terms: -28 + 28 = 0
0 + 2x = 15 + 28
2x = 15 + 28

Combine like terms: 15 + 28 = 43
2x = 43

Divide each side by '2'.
x = 21.5

Simplifying
x = 21.5

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