Solve for X:
10( x + 1) = 2 x-7
-1
-3
-17/8
-18/8

-17/8

Step-by-step explanation:

10( x + 1) = 2 x-7

10x + 10 = 2x - 7

10 + 7 = 2x - 10x

17 = - 8x

x = -17 /8

Hiya There!!!

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

Decimal Form:

x  =  − 2.125

Mixed Number Form:

x  =  − 2/ 1 8

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m = 55°

Step-by-step explanation:

The 2 top interior angles of the triangle are adjacent angles on a line, then

180° - 115° = 65°

180° - 120° = 60°

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 angles fro 180° for third angle

third angle = 180° - (65 + 60)° = 180° - 125° = 55°

m is vertically opposite the third angle and congruent to it

m = 55°