7.5z+40=70

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Solution for 7.5z+40=70 equation: 


Simplifying
7.5z + 40 = 70

Reorder the terms:
40 + 7.5z = 70

Solving
40 + 7.5z = 70

Solving for variable 'z'.

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

Add '-40' to each side of the equation.
40 + -40 + 7.5z = 70 + -40

Combine like terms: 40 + -40 = 0
0 + 7.5z = 70 + -40
7.5z = 70 + -40

Combine like terms: 70 + -40 = 30
7.5z = 30

Divide each side by '7.5'.
z = 4

Simplifying
z = 4

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