8z-7(z+1)=3(z-7)-2z

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Solution for 8z-7(z+1)=3(z-7)-2z equation:


Simplifying
8z + -7(z + 1) = 3(z + -7) + -2z

Reorder the terms:
8z + -7(1 + z) = 3(z + -7) + -2z
8z + (1 * -7 + z * -7) = 3(z + -7) + -2z
8z + (-7 + -7z) = 3(z + -7) + -2z

Reorder the terms:
-7 + 8z + -7z = 3(z + -7) + -2z

Combine like terms: 8z + -7z = 1z
-7 + 1z = 3(z + -7) + -2z

Reorder the terms:
-7 + 1z = 3(-7 + z) + -2z
-7 + 1z = (-7 * 3 + z * 3) + -2z
-7 + 1z = (-21 + 3z) + -2z

Combine like terms: 3z + -2z = 1z
-7 + 1z = -21 + 1z

Add '-1z' to each side of the equation.
-7 + 1z + -1z = -21 + 1z + -1z

Combine like terms: 1z + -1z = 0
-7 + 0 = -21 + 1z + -1z
-7 = -21 + 1z + -1z

Combine like terms: 1z + -1z = 0
-7 = -21 + 0
-7 = -21

Solving
-7 = -21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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