3(2z+5)-2(z-5)=

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Solution for 3(2z+5)-2(z-5)= equation:


Simplifying
3(2z + 5) + -2(z + -5) = 0

Reorder the terms:
3(5 + 2z) + -2(z + -5) = 0
(5 * 3 + 2z * 3) + -2(z + -5) = 0
(15 + 6z) + -2(z + -5) = 0

Reorder the terms:
15 + 6z + -2(-5 + z) = 0
15 + 6z + (-5 * -2 + z * -2) = 0
15 + 6z + (10 + -2z) = 0

Reorder the terms:
15 + 10 + 6z + -2z = 0

Combine like terms: 15 + 10 = 25
25 + 6z + -2z = 0

Combine like terms: 6z + -2z = 4z
25 + 4z = 0

Solving
25 + 4z = 0

Solving for variable 'z'.

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

Add '-25' to each side of the equation.
25 + -25 + 4z = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 4z = 0 + -25
4z = 0 + -25

Combine like terms: 0 + -25 = -25
4z = -25

Divide each side by '4'.
z = -6.25

Simplifying
z = -6.25

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