4.5x+21=10-7

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Solution for 4.5x+21=10-7 equation:


Simplifying
4.5x + 21 = 10 + -7

Reorder the terms:
21 + 4.5x = 10 + -7

Combine like terms: 10 + -7 = 3
21 + 4.5x = 3

Solving
21 + 4.5x = 3

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 4.5x = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 4.5x = 3 + -21
4.5x = 3 + -21

Combine like terms: 3 + -21 = -18
4.5x = -18

Divide each side by '4.5'.
x = -4

Simplifying
x = -4

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