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

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


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

Combine like terms: 4 + -5 = -1
3(-1) = 7(x + 3)

Multiply 3 * -1
-3 = 7(x + 3)

Reorder the terms:
-3 = 7(3 + x)
-3 = (3 * 7 + x * 7)
-3 = (21 + 7x)

Solving
-3 = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-3 + -7x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-3 + -7x = 21 + 0
-3 + -7x = 21

Add '3' to each side of the equation.
-3 + 3 + -7x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + -7x = 21 + 3
-7x = 21 + 3

Combine like terms: 21 + 3 = 24
-7x = 24

Divide each side by '-7'.
x = -3.428571429

Simplifying
x = -3.428571429

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