(15*13.4)+(20*-10)=x

Solution for (15*13.4)+(20*-10)=x equation:

Simplifying
(15 * 13.4) + (20 * -10) = x

Multiply 15 * 13.4
(201) + (20 * -10) = x
201 + (20 * -10) = x

Multiply 20 * -10
201 + (-200) = x
201 + -200 = x

Combine like terms: 201 + -200 = 1
1 = x

Solving
1 = x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '-1'.
x = 1

Simplifying
x = 1