2(z+7)-(3-9z)=10z

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Solution for 2(z+7)-(3-9z)=10z equation:


Simplifying
2(z + 7) + -1(3 + -9z) = 10z

Reorder the terms:
2(7 + z) + -1(3 + -9z) = 10z
(7 * 2 + z * 2) + -1(3 + -9z) = 10z
(14 + 2z) + -1(3 + -9z) = 10z
14 + 2z + (3 * -1 + -9z * -1) = 10z
14 + 2z + (-3 + 9z) = 10z

Reorder the terms:
14 + -3 + 2z + 9z = 10z

Combine like terms: 14 + -3 = 11
11 + 2z + 9z = 10z

Combine like terms: 2z + 9z = 11z
11 + 11z = 10z

Solving
11 + 11z = 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
11 + 11z + -10z = 10z + -10z

Combine like terms: 11z + -10z = 1z
11 + 1z = 10z + -10z

Combine like terms: 10z + -10z = 0
11 + 1z = 0

Add '-11' to each side of the equation.
11 + -11 + 1z = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 1z = 0 + -11
1z = 0 + -11

Combine like terms: 0 + -11 = -11
1z = -11

Divide each side by '1'.
z = -11

Simplifying
z = -11

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