5(2z-1)-2(z+4)=3(2+1)

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Solution for 5(2z-1)-2(z+4)=3(2+1) equation:


Simplifying
5(2z + -1) + -2(z + 4) = 3(2 + 1)

Reorder the terms:
5(-1 + 2z) + -2(z + 4) = 3(2 + 1)
(-1 * 5 + 2z * 5) + -2(z + 4) = 3(2 + 1)
(-5 + 10z) + -2(z + 4) = 3(2 + 1)

Reorder the terms:
-5 + 10z + -2(4 + z) = 3(2 + 1)
-5 + 10z + (4 * -2 + z * -2) = 3(2 + 1)
-5 + 10z + (-8 + -2z) = 3(2 + 1)

Reorder the terms:
-5 + -8 + 10z + -2z = 3(2 + 1)

Combine like terms: -5 + -8 = -13
-13 + 10z + -2z = 3(2 + 1)

Combine like terms: 10z + -2z = 8z
-13 + 8z = 3(2 + 1)

Combine like terms: 2 + 1 = 3
-13 + 8z = 3(3)

Multiply 3 * 3
-13 + 8z = 9

Solving
-13 + 8z = 9

Solving for variable 'z'.

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

Add '13' to each side of the equation.
-13 + 13 + 8z = 9 + 13

Combine like terms: -13 + 13 = 0
0 + 8z = 9 + 13
8z = 9 + 13

Combine like terms: 9 + 13 = 22
8z = 22

Divide each side by '8'.
z = 2.75

Simplifying
z = 2.75

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