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

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


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

Reorder the terms:
5 + 4 + 3x = 7(x + 5)

Combine like terms: 5 + 4 = 9
9 + 3x = 7(x + 5)

Reorder the terms:
9 + 3x = 7(5 + x)
9 + 3x = (5 * 7 + x * 7)
9 + 3x = (35 + 7x)

Solving
9 + 3x = 35 + 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.
9 + 3x + -7x = 35 + 7x + -7x

Combine like terms: 3x + -7x = -4x
9 + -4x = 35 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -4x = 35 + 0
9 + -4x = 35

Add '-9' to each side of the equation.
9 + -9 + -4x = 35 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 35 + -9
-4x = 35 + -9

Combine like terms: 35 + -9 = 26
-4x = 26

Divide each side by '-4'.
x = -6.5

Simplifying
x = -6.5

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