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2 years ago

Solve for x. 13x + 7 = 5x - 20

Mathematics

2 answers:

myrzilka [38]2 years ago

7 0

The answer is -27/8= -3.375

den301095 [7]2 years ago

5 0

Answer is x= −27/8 
Simplify 13x+7-5x13x+7−5x to 8x+78x+7
8x+7=−20Then Subtract 7 from both sides
Which would then be 8x=−20−7

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sammy [17]

Given

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2 years ago

Help me with this geometry

KiRa [710]

Answer:

x= (5X+3) DEGREES = 90 degrees (right angle)

5x=90 degrees - 3 degrees =87 degrees

5x÷5 =87 degrees ÷ 5

x=17.4 degrees

we now know our angles x = 17.4 degrees so we can know substitute into the give formula

wxz=5 (17.4)+ 3

wxz =90 degrees

zxy=we know the size of x

zxy=

8 (17.4)-4

zxy=135.2 degrees

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