Answered

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— 3 — 3x 70 + 4х
70 — 4x — 20​

Sagot :

sabrinashults

Answer:

Explanation:

Simplifying

52 + 6y + -2 + 4x + 20 = 180

Reorder the terms:

52 + -2 + 20 + 4x + 6y = 180

Combine like terms: 52 + -2 = 50

50 + 20 + 4x + 6y = 180

Combine like terms: 50 + 20 = 70

70 + 4x + 6y = 180

Solving

70 + 4x + 6y = 180

Solving for variable 'x'.

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

Add '-70' to each side of the equation.

70 + 4x + -70 + 6y = 180 + -70

Reorder the terms:

70 + -70 + 4x + 6y = 180 + -70

Combine like terms: 70 + -70 = 0

0 + 4x + 6y = 180 + -70

4x + 6y = 180 + -70

Combine like terms: 180 + -70 = 110

4x + 6y = 110

Add '-6y' to each side of the equation.

4x + 6y + -6y = 110 + -6y

Combine like terms: 6y + -6y = 0

4x + 0 = 110 + -6y

4x = 110 + -6y

Divide each side by '4'.

x = 27.5 + -1.5y

Simplifying

x = 27.5 + -1.5y

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