5x+7=-21-2z

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Solution for 5x+7=-21-2z equation:


Simplifying
5x + 7 = -21 + -2z

Reorder the terms:
7 + 5x = -21 + -2z

Solving
7 + 5x = -21 + -2z

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 5x = -21 + -7 + -2z

Combine like terms: 7 + -7 = 0
0 + 5x = -21 + -7 + -2z
5x = -21 + -7 + -2z

Combine like terms: -21 + -7 = -28
5x = -28 + -2z

Divide each side by '5'.
x = -5.6 + -0.4z

Simplifying
x = -5.6 + -0.4z

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