-4(-7z+16)=7(3z+15)+20z

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Solution for -4(-7z+16)=7(3z+15)+20z equation:


Simplifying
-4(-7z + 16) = 7(3z + 15) + 20z

Reorder the terms:
-4(16 + -7z) = 7(3z + 15) + 20z
(16 * -4 + -7z * -4) = 7(3z + 15) + 20z
(-64 + 28z) = 7(3z + 15) + 20z

Reorder the terms:
-64 + 28z = 7(15 + 3z) + 20z
-64 + 28z = (15 * 7 + 3z * 7) + 20z
-64 + 28z = (105 + 21z) + 20z

Combine like terms: 21z + 20z = 41z
-64 + 28z = 105 + 41z

Solving
-64 + 28z = 105 + 41z

Solving for variable 'z'.

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

Add '-41z' to each side of the equation.
-64 + 28z + -41z = 105 + 41z + -41z

Combine like terms: 28z + -41z = -13z
-64 + -13z = 105 + 41z + -41z

Combine like terms: 41z + -41z = 0
-64 + -13z = 105 + 0
-64 + -13z = 105

Add '64' to each side of the equation.
-64 + 64 + -13z = 105 + 64

Combine like terms: -64 + 64 = 0
0 + -13z = 105 + 64
-13z = 105 + 64

Combine like terms: 105 + 64 = 169
-13z = 169

Divide each side by '-13'.
z = -13

Simplifying
z = -13

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