7(-3-4x)=5(x+9)

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Solution for 7(-3-4x)=5(x+9) equation:


Simplifying
7(-3 + -4x) = 5(x + 9)
(-3 * 7 + -4x * 7) = 5(x + 9)
(-21 + -28x) = 5(x + 9)

Reorder the terms:
-21 + -28x = 5(9 + x)
-21 + -28x = (9 * 5 + x * 5)
-21 + -28x = (45 + 5x)

Solving
-21 + -28x = 45 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-21 + -28x + -5x = 45 + 5x + -5x

Combine like terms: -28x + -5x = -33x
-21 + -33x = 45 + 5x + -5x

Combine like terms: 5x + -5x = 0
-21 + -33x = 45 + 0
-21 + -33x = 45

Add '21' to each side of the equation.
-21 + 21 + -33x = 45 + 21

Combine like terms: -21 + 21 = 0
0 + -33x = 45 + 21
-33x = 45 + 21

Combine like terms: 45 + 21 = 66
-33x = 66

Divide each side by '-33'.
x = -2

Simplifying
x = -2

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