0.7z+1.5=0.4z+3

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Solution for 0.7z+1.5=0.4z+3 equation:


Simplifying
0.7z + 1.5 = 0.4z + 3

Reorder the terms:
1.5 + 0.7z = 0.4z + 3

Reorder the terms:
1.5 + 0.7z = 3 + 0.4z

Solving
1.5 + 0.7z = 3 + 0.4z

Solving for variable 'z'.

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

Add '-0.4z' to each side of the equation.
1.5 + 0.7z + -0.4z = 3 + 0.4z + -0.4z

Combine like terms: 0.7z + -0.4z = 0.3z
1.5 + 0.3z = 3 + 0.4z + -0.4z

Combine like terms: 0.4z + -0.4z = 0.0
1.5 + 0.3z = 3 + 0.0
1.5 + 0.3z = 3

Add '-1.5' to each side of the equation.
1.5 + -1.5 + 0.3z = 3 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 0.3z = 3 + -1.5
0.3z = 3 + -1.5

Combine like terms: 3 + -1.5 = 1.5
0.3z = 1.5

Divide each side by '0.3'.
z = 5

Simplifying
z = 5

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