18+0.3x-17=-7.4+0.7x

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Solution for 18+0.3x-17=-7.4+0.7x equation:


Simplifying
18 + 0.3x + -17 = -7.4 + 0.7x

Reorder the terms:
18 + -17 + 0.3x = -7.4 + 0.7x

Combine like terms: 18 + -17 = 1
1 + 0.3x = -7.4 + 0.7x

Solving
1 + 0.3x = -7.4 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
1 + 0.3x + -0.7x = -7.4 + 0.7x + -0.7x

Combine like terms: 0.3x + -0.7x = -0.4x
1 + -0.4x = -7.4 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
1 + -0.4x = -7.4 + 0.0
1 + -0.4x = -7.4

Add '-1' to each side of the equation.
1 + -1 + -0.4x = -7.4 + -1

Combine like terms: 1 + -1 = 0
0 + -0.4x = -7.4 + -1
-0.4x = -7.4 + -1

Combine like terms: -7.4 + -1 = -8.4
-0.4x = -8.4

Divide each side by '-0.4'.
x = 21

Simplifying
x = 21

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