What’s 2 +2x7x8+3x78=?

Mathematics

1 answer:

Xelga [282]3 years ago

6 0

Answer:348

Step-by-step explanation:

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$here \: < a \: and \: < b \: are \: on \: same \: line \: so \: \\ < a + < b = 180 \\ 3x + 5 + x + 15 = 180 \\ 4x + 20 = 180 \\ 4x = 180 - 20 \\ 4x = 160 \\ x = \frac{160}{4} = 40 \\ x = 40 \\ thank \: you$

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