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

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

Remove parenthesis around (5x)
7 + 8 * 5x + (4z + 5z) = 0

Multiply 8 * 5
7 + 40x + (4z + 5z) = 0

Combine like terms: 4z + 5z = 9z
7 + 40x + (9z) = 0
7 + 40x + (9z) = 0

Solving
7 + 40x + (9z) = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 40x + -7 + (9z) = 0 + -7

Reorder the terms:
7 + -7 + 40x + (9z) = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 40x + (9z) = 0 + -7
40x + (9z) = 0 + -7

Combine like terms: 0 + -7 = -7
40x + (9z) = -7

Add '(-9z)' to each side of the equation.
40x + (9z) + (-9z) = -7 + (-9z)

Combine like terms: (9z) + (-9z) = 0
40x + 0 = -7 + (-9z)
40x = -7 + (-9z)

Divide each side by '40'.
x = -0.175 + (-0.225z)

Simplifying
x = -0.175 + (-0.225z)