4(5z+1)-7=157

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Solution for 4(5z+1)-7=157 equation:


Simplifying
4(5z + 1) + -7 = 157

Reorder the terms:
4(1 + 5z) + -7 = 157
(1 * 4 + 5z * 4) + -7 = 157
(4 + 20z) + -7 = 157

Reorder the terms:
4 + -7 + 20z = 157

Combine like terms: 4 + -7 = -3
-3 + 20z = 157

Solving
-3 + 20z = 157

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + 20z = 157 + 3

Combine like terms: -3 + 3 = 0
0 + 20z = 157 + 3
20z = 157 + 3

Combine like terms: 157 + 3 = 160
20z = 160

Divide each side by '20'.
z = 8

Simplifying
z = 8

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