Solve.
6(1-3x)+7(2+5x)=37

x = 1

Solution:

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⇒ Steps of solving the given equation:

➸ 6(1-3x) + 7(2+5x) = 37

➸ 6 - 18x + 14 + 35x = 37

➸ - 18x + 35x + 6 +14 = 37

➸ 17x + 20 = 37

➸ 17x = 37 - 20

➸ 17x = 17

➸ x = 1

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1