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

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


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

Reorder the terms for easier multiplication:
7 * -3x = 3(3)(x + 5)

Multiply 7 * -3
-21x = 3(3)(x + 5)

Reorder the terms:
-21x = 3 * 3(5 + x)

Multiply 3 * 3
-21x = 9(5 + x)
-21x = (5 * 9 + x * 9)
-21x = (45 + 9x)

Solving
-21x = 45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-21x + -9x = 45 + 9x + -9x

Combine like terms: -21x + -9x = -30x
-30x = 45 + 9x + -9x

Combine like terms: 9x + -9x = 0
-30x = 45 + 0
-30x = 45

Divide each side by '-30'.
x = -1.5

Simplifying
x = -1.5

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