7+8+(2x+3x)+(4z+5z)=

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Solution for 7+8+(2x+3x)+(4z+5z)= equation: 


Simplifying
7 + 8 + (2x + 3x) + (4z + 5z) = 0

Combine like terms: 2x + 3x = 5x
7 + 8 + (5x) + (4z + 5z) = 0
7 + 8 + (5x) + (4z + 5z) = 0

Combine like terms: 4z + 5z = 9z
7 + 8 + (5x) + (9z) = 0
7 + 8 + (5x) + (9z) = 0

Combine like terms: 7 + 8 = 15
15 + (5x) + (9z) = 0

Solving
15 + (5x) + (9z) = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + (5x) + -15 + (9z) = 0 + -15

Reorder the terms:
15 + -15 + (5x) + (9z) = 0 + -15

Combine like terms: 15 + -15 = 0
0 + (5x) + (9z) = 0 + -15
(5x) + (9z) = 0 + -15

Combine like terms: 0 + -15 = -15
(5x) + (9z) = -15

Add '(-9z)' to each side of the equation.
(5x) + (9z) + (-9z) = -15 + (-9z)

Combine like terms: (9z) + (-9z) = 0
(5x) + 0 = -15 + (-9z)
(5x) = -15 + (-9z)

Divide each side by '5'.
x = -3 + (-1.8z)

Simplifying
x = -3 + (-1.8z)

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