1.8(2.5x)+1.8(-2.8y)+(-4.5)(2.0x)+(-4.5)(1.5y)=

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Solution for 1.8(2.5x)+1.8(-2.8y)+(-4.5)(2.0x)+(-4.5)(1.5y)= equation:


Simplifying
1.8(2.5x) + 1.8(-2.8y) + (-4.5)(2.0x) + (-4.5)(1.5y) = 0

Remove parenthesis around (2.5x)
1.8 * 2.5x + 1.8(-2.8y) + (-4.5)(2.0x) + (-4.5)(1.5y) = 0

Multiply 1.8 * 2.5
4.5x + 1.8(-2.8y) + (-4.5)(2.0x) + (-4.5)(1.5y) = 0

Remove parenthesis around (-2.8y)
4.5x + 1.8 * -2.8y + (-4.5)(2.0x) + (-4.5)(1.5y) = 0

Multiply 1.8 * -2.8
4.5x + -5.04y + (-4.5)(2.0x) + (-4.5)(1.5y) = 0

Remove parenthesis around (2.0x)
4.5x + -5.04y + -4.5 * 2.0x + (-4.5)(1.5y) = 0

Multiply -4.5 * 2.0
4.5x + -5.04y + -9x + (-4.5)(1.5y) = 0

Remove parenthesis around (1.5y)
4.5x + -5.04y + -9x + -4.5 * 1.5y = 0

Multiply -4.5 * 1.5
4.5x + -5.04y + -9x + -6.75y = 0

Reorder the terms:
4.5x + -9x + -5.04y + -6.75y = 0

Combine like terms: 4.5x + -9x = -4.5x
-4.5x + -5.04y + -6.75y = 0

Combine like terms: -5.04y + -6.75y = -11.79y
-4.5x + -11.79y = 0

Solving
-4.5x + -11.79y = 0

Solving for variable 'x'.

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

Add '11.79y' to each side of the equation.
-4.5x + -11.79y + 11.79y = 0 + 11.79y

Combine like terms: -11.79y + 11.79y = 0.00
-4.5x + 0.00 = 0 + 11.79y
-4.5x = 0 + 11.79y
Remove the zero:
-4.5x = 11.79y

Divide each side by '-4.5'.
x = -2.62y

Simplifying
x = -2.62y

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