Question

4(2x+10)=120-5x solve for x

Answer 1

4(10 + 2x) = 120 + -5x

(10 * 4 + 2x * 4) = 120 + -5x

(40 + 8x) = 120 + -5x

Solving

40 + 8x = 120 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.

40 + 8x + 5x = 120 + -5x + 5x

Combine like terms: 8x + 5x = 13x

40 + 13x = 120 + -5x + 5x

Combine like terms: -5x + 5x = 0

40 + 13x = 120 + 0

40 + 13x = 120

Add '-40' to each side of the equation.

40 + -40 + 13x = 120 + -40

Combine like terms: 40 + -40 = 0

0 + 13x = 120 + -40

13x = 120 + -40

Combine like terms: 120 + -40 = 80

13x = 80

Divide each side by '13'.

x = 6.153846154

Simplifying

x = 6.153846154

Answer 2

Answer:

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Step-by-step explanation:

8x+40=120-5x

8x+5x=120-40

13x=80

x=13/80